Home / 612,577.10-918,238.70-597,209.78

Finding the Fourth Proportional to 612,577.10, 918,238.70 and 597,209.78

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Solution

The fourth proportional to 612,577.10, 918,238.70 and 597,209.78 is: 895,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,577.10 : 918,238.70 = 597,209.78 : x
  2. Step 2: Convert to fraction form
    612,577.10/918,238.70 = 597,209.78/x
  3. Step 3: Cross multiply
    612,577.10x = 918,238.70 × 597,209.78
  4. Step 4: Simplify right side
    612,577.10x = 548,381,132,014.49
  5. Step 5: Solve for x
    x = 548,381,132,014.49/612,577.10
  6. Step 6: Final answer
    x = 895,203.45

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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.