Home / 963,300.76-1,329,298.02-527,631.23

Finding the Fourth Proportional to 963,300.76, 1,329,298.02 and 527,631.23

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Solution

The fourth proportional to 963,300.76, 1,329,298.02 and 527,631.23 is: 728,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,300.76 : 1,329,298.02 = 527,631.23 : x
  2. Step 2: Convert to fraction form
    963,300.76/1,329,298.02 = 527,631.23/x
  3. Step 3: Cross multiply
    963,300.76x = 1,329,298.02 × 527,631.23
  4. Step 4: Simplify right side
    963,300.76x = 701,379,149,329.17
  5. Step 5: Solve for x
    x = 701,379,149,329.17/963,300.76
  6. Step 6: Final answer
    x = 728,099.86

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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.