Home / 714,435.68-1,071,653.36-215,799.68

Finding the Fourth Proportional to 714,435.68, 1,071,653.36 and 215,799.68

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Solution

The fourth proportional to 714,435.68, 1,071,653.36 and 215,799.68 is: 323,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,435.68 : 1,071,653.36 = 215,799.68 : x
  2. Step 2: Convert to fraction form
    714,435.68/1,071,653.36 = 215,799.68/x
  3. Step 3: Cross multiply
    714,435.68x = 1,071,653.36 × 215,799.68
  4. Step 4: Simplify right side
    714,435.68x = 231,262,452,158.93
  5. Step 5: Solve for x
    x = 231,262,452,158.93/714,435.68
  6. Step 6: Final answer
    x = 323,699.47

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.