Home / 662,085.59-992,439.45-306,807.44

Finding the Fourth Proportional to 662,085.59, 992,439.45 and 306,807.44

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Solution

The fourth proportional to 662,085.59, 992,439.45 and 306,807.44 is: 459,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,085.59 : 992,439.45 = 306,807.44 : x
  2. Step 2: Convert to fraction form
    662,085.59/992,439.45 = 306,807.44/x
  3. Step 3: Cross multiply
    662,085.59x = 992,439.45 × 306,807.44
  4. Step 4: Simplify right side
    662,085.59x = 304,487,802,047.31
  5. Step 5: Solve for x
    x = 304,487,802,047.31/662,085.59
  6. Step 6: Final answer
    x = 459,891.91

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Double scale
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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.