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Finding the Fourth Proportional to 788,265, 1,087,810.02 and 430,569

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Solution

The fourth proportional to 788,265, 1,087,810.02 and 430,569 is: 594,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,265 : 1,087,810.02 = 430,569 : x
  2. Step 2: Convert to fraction form
    788,265/1,087,810.02 = 430,569/x
  3. Step 3: Cross multiply
    788,265x = 1,087,810.02 × 430,569
  4. Step 4: Simplify right side
    788,265x = 468,377,272,501.38
  5. Step 5: Solve for x
    x = 468,377,272,501.38/788,265
  6. Step 6: Final answer
    x = 594,187.58

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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.