Home / 466,045.60-642,802.08-304,641.76

Finding the Fourth Proportional to 466,045.60, 642,802.08 and 304,641.76

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Solution

The fourth proportional to 466,045.60, 642,802.08 and 304,641.76 is: 420,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,045.60 : 642,802.08 = 304,641.76 : x
  2. Step 2: Convert to fraction form
    466,045.60/642,802.08 = 304,641.76/x
  3. Step 3: Cross multiply
    466,045.60x = 642,802.08 × 304,641.76
  4. Step 4: Simplify right side
    466,045.60x = 195,824,356,982.86
  5. Step 5: Solve for x
    x = 195,824,356,982.86/466,045.60
  6. Step 6: Final answer
    x = 420,182.83

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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.