Home / 918,592.70-1,267,656.18-510,732.20

Finding the Fourth Proportional to 918,592.70, 1,267,656.18 and 510,732.20

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Solution

The fourth proportional to 918,592.70, 1,267,656.18 and 510,732.20 is: 704,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,592.70 : 1,267,656.18 = 510,732.20 : x
  2. Step 2: Convert to fraction form
    918,592.70/1,267,656.18 = 510,732.20/x
  3. Step 3: Cross multiply
    918,592.70x = 1,267,656.18 × 510,732.20
  4. Step 4: Simplify right side
    918,592.70x = 647,432,829,655.00
  5. Step 5: Solve for x
    x = 647,432,829,655.00/918,592.70
  6. Step 6: Final answer
    x = 704,809.47

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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.