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Finding the Fourth Proportional to 636,180.68, 877,931.18 and 364,252.76

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Solution

The fourth proportional to 636,180.68, 877,931.18 and 364,252.76 is: 502,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,180.68 : 877,931.18 = 364,252.76 : x
  2. Step 2: Convert to fraction form
    636,180.68/877,931.18 = 364,252.76/x
  3. Step 3: Cross multiply
    636,180.68x = 877,931.18 × 364,252.76
  4. Step 4: Simplify right side
    636,180.68x = 319,788,855,405.06
  5. Step 5: Solve for x
    x = 319,788,855,405.06/636,180.68
  6. Step 6: Final answer
    x = 502,669.86

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1.5x scale

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.