Home / 676,953.42-1,015,430.13-344,762.70

Finding the Fourth Proportional to 676,953.42, 1,015,430.13 and 344,762.70

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Solution

The fourth proportional to 676,953.42, 1,015,430.13 and 344,762.70 is: 517,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,953.42 : 1,015,430.13 = 344,762.70 : x
  2. Step 2: Convert to fraction form
    676,953.42/1,015,430.13 = 344,762.70/x
  3. Step 3: Cross multiply
    676,953.42x = 1,015,430.13 × 344,762.70
  4. Step 4: Simplify right side
    676,953.42x = 350,082,433,280.15
  5. Step 5: Solve for x
    x = 350,082,433,280.15/676,953.42
  6. Step 6: Final answer
    x = 517,144.05

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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.