Home / 918,244.50-1,376,577.90-319,127.82

Finding the Fourth Proportional to 918,244.50, 1,376,577.90 and 319,127.82

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Solution

The fourth proportional to 918,244.50, 1,376,577.90 and 319,127.82 is: 478,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,244.50 : 1,376,577.90 = 319,127.82 : x
  2. Step 2: Convert to fraction form
    918,244.50/1,376,577.90 = 319,127.82/x
  3. Step 3: Cross multiply
    918,244.50x = 1,376,577.90 × 319,127.82
  4. Step 4: Simplify right side
    918,244.50x = 439,304,304,287.18
  5. Step 5: Solve for x
    x = 439,304,304,287.18/918,244.50
  6. Step 6: Final answer
    x = 478,417.57

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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.