Home / 917,677.35-1,377,008.10-385,252.20

Finding the Fourth Proportional to 917,677.35, 1,377,008.10 and 385,252.20

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Solution

The fourth proportional to 917,677.35, 1,377,008.10 and 385,252.20 is: 578,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,677.35 : 1,377,008.10 = 385,252.20 : x
  2. Step 2: Convert to fraction form
    917,677.35/1,377,008.10 = 385,252.20/x
  3. Step 3: Cross multiply
    917,677.35x = 1,377,008.10 × 385,252.20
  4. Step 4: Simplify right side
    917,677.35x = 530,495,399,942.82
  5. Step 5: Solve for x
    x = 530,495,399,942.82/917,677.35
  6. Step 6: Final answer
    x = 578,084.88

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1.5x scale

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.