Home / 745,891.02-1,029,059.64-487,915.29

Finding the Fourth Proportional to 745,891.02, 1,029,059.64 and 487,915.29

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Solution

The fourth proportional to 745,891.02, 1,029,059.64 and 487,915.29 is: 673,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,891.02 : 1,029,059.64 = 487,915.29 : x
  2. Step 2: Convert to fraction form
    745,891.02/1,029,059.64 = 487,915.29/x
  3. Step 3: Cross multiply
    745,891.02x = 1,029,059.64 × 487,915.29
  4. Step 4: Simplify right side
    745,891.02x = 502,093,932,677.90
  5. Step 5: Solve for x
    x = 502,093,932,677.90/745,891.02
  6. Step 6: Final answer
    x = 673,146.50

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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.