Home / 612,035.20-918,052.80-493,937.20

Finding the Fourth Proportional to 612,035.20, 918,052.80 and 493,937.20

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Solution

The fourth proportional to 612,035.20, 918,052.80 and 493,937.20 is: 740,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,035.20 : 918,052.80 = 493,937.20 : x
  2. Step 2: Convert to fraction form
    612,035.20/918,052.80 = 493,937.20/x
  3. Step 3: Cross multiply
    612,035.20x = 918,052.80 × 493,937.20
  4. Step 4: Simplify right side
    612,035.20x = 453,460,429,484.16
  5. Step 5: Solve for x
    x = 453,460,429,484.16/612,035.20
  6. Step 6: Final answer
    x = 740,905.80

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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.