Home / 897,235.16-1,345,852.61-266,143.51

Finding the Fourth Proportional to 897,235.16, 1,345,852.61 and 266,143.51

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Solution

The fourth proportional to 897,235.16, 1,345,852.61 and 266,143.51 is: 399,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,235.16 : 1,345,852.61 = 266,143.51 : x
  2. Step 2: Convert to fraction form
    897,235.16/1,345,852.61 = 266,143.51/x
  3. Step 3: Cross multiply
    897,235.16x = 1,345,852.61 × 266,143.51
  4. Step 4: Simplify right side
    897,235.16x = 358,189,929,508.08
  5. Step 5: Solve for x
    x = 358,189,929,508.08/897,235.16
  6. Step 6: Final answer
    x = 399,215.22

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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.