Home / 717,222.48-1,075,522.68-243,780.72

Finding the Fourth Proportional to 717,222.48, 1,075,522.68 and 243,780.72

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Solution

The fourth proportional to 717,222.48, 1,075,522.68 and 243,780.72 is: 365,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,222.48 : 1,075,522.68 = 243,780.72 : x
  2. Step 2: Convert to fraction form
    717,222.48/1,075,522.68 = 243,780.72/x
  3. Step 3: Cross multiply
    717,222.48x = 1,075,522.68 × 243,780.72
  4. Step 4: Simplify right side
    717,222.48x = 262,191,693,306.73
  5. Step 5: Solve for x
    x = 262,191,693,306.73/717,222.48
  6. Step 6: Final answer
    x = 365,565.36

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Double scale
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Similar ratio
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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.