Home / 989,458.27-1,484,248.97-358,377.55

Finding the Fourth Proportional to 989,458.27, 1,484,248.97 and 358,377.55

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Solution

The fourth proportional to 989,458.27, 1,484,248.97 and 358,377.55 is: 537,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,458.27 : 1,484,248.97 = 358,377.55 : x
  2. Step 2: Convert to fraction form
    989,458.27/1,484,248.97 = 358,377.55/x
  3. Step 3: Cross multiply
    989,458.27x = 1,484,248.97 × 358,377.55
  4. Step 4: Simplify right side
    989,458.27x = 531,921,509,458.62
  5. Step 5: Solve for x
    x = 531,921,509,458.62/989,458.27
  6. Step 6: Final answer
    x = 537,588.62

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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.