Home / 907,071.17-1,251,476.42-514,539.44

Finding the Fourth Proportional to 907,071.17, 1,251,476.42 and 514,539.44

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Solution

The fourth proportional to 907,071.17, 1,251,476.42 and 514,539.44 is: 709,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,071.17 : 1,251,476.42 = 514,539.44 : x
  2. Step 2: Convert to fraction form
    907,071.17/1,251,476.42 = 514,539.44/x
  3. Step 3: Cross multiply
    907,071.17x = 1,251,476.42 × 514,539.44
  4. Step 4: Simplify right side
    907,071.17x = 643,933,967,489.93
  5. Step 5: Solve for x
    x = 643,933,967,489.93/907,071.17
  6. Step 6: Final answer
    x = 709,904.57

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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.