Home / 832,237.76-1,148,487.72-469,737.65

Finding the Fourth Proportional to 832,237.76, 1,148,487.72 and 469,737.65

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Solution

The fourth proportional to 832,237.76, 1,148,487.72 and 469,737.65 is: 648,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,237.76 : 1,148,487.72 = 469,737.65 : x
  2. Step 2: Convert to fraction form
    832,237.76/1,148,487.72 = 469,737.65/x
  3. Step 3: Cross multiply
    832,237.76x = 1,148,487.72 × 469,737.65
  4. Step 4: Simplify right side
    832,237.76x = 539,487,922,646.66
  5. Step 5: Solve for x
    x = 539,487,922,646.66/832,237.76
  6. Step 6: Final answer
    x = 648,237.74

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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.