Home / 918,713.52-1,267,638.26-536,666.49

Finding the Fourth Proportional to 918,713.52, 1,267,638.26 and 536,666.49

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Solution

The fourth proportional to 918,713.52, 1,267,638.26 and 536,666.49 is: 740,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,713.52 : 1,267,638.26 = 536,666.49 : x
  2. Step 2: Convert to fraction form
    918,713.52/1,267,638.26 = 536,666.49/x
  3. Step 3: Cross multiply
    918,713.52x = 1,267,638.26 × 536,666.49
  4. Step 4: Simplify right side
    918,713.52x = 680,298,972,900.58
  5. Step 5: Solve for x
    x = 680,298,972,900.58/918,713.52
  6. Step 6: Final answer
    x = 740,490.87

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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.