Home / 825,064.32-1,138,658.40-462,482.40

Finding the Fourth Proportional to 825,064.32, 1,138,658.40 and 462,482.40

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Solution

The fourth proportional to 825,064.32, 1,138,658.40 and 462,482.40 is: 638,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,064.32 : 1,138,658.40 = 462,482.40 : x
  2. Step 2: Convert to fraction form
    825,064.32/1,138,658.40 = 462,482.40/x
  3. Step 3: Cross multiply
    825,064.32x = 1,138,658.40 × 462,482.40
  4. Step 4: Simplify right side
    825,064.32x = 526,609,469,612.16
  5. Step 5: Solve for x
    x = 526,609,469,612.16/825,064.32
  6. Step 6: Final answer
    x = 638,264.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.