Home / 989,543.08-1,484,310.78-358,309.24

Finding the Fourth Proportional to 989,543.08, 1,484,310.78 and 358,309.24

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Solution

The fourth proportional to 989,543.08, 1,484,310.78 and 358,309.24 is: 537,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,543.08 : 1,484,310.78 = 358,309.24 : x
  2. Step 2: Convert to fraction form
    989,543.08/1,484,310.78 = 358,309.24/x
  3. Step 3: Cross multiply
    989,543.08x = 1,484,310.78 × 358,309.24
  4. Step 4: Simplify right side
    989,543.08x = 531,842,267,505.61
  5. Step 5: Solve for x
    x = 531,842,267,505.61/989,543.08
  6. Step 6: Final answer
    x = 537,462.47

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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.