Home / 740,034.15-1,021,252.81-434,115.56

Finding the Fourth Proportional to 740,034.15, 1,021,252.81 and 434,115.56

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Solution

The fourth proportional to 740,034.15, 1,021,252.81 and 434,115.56 is: 599,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,034.15 : 1,021,252.81 = 434,115.56 : x
  2. Step 2: Convert to fraction form
    740,034.15/1,021,252.81 = 434,115.56/x
  3. Step 3: Cross multiply
    740,034.15x = 1,021,252.81 × 434,115.56
  4. Step 4: Simplify right side
    740,034.15x = 443,341,733,344.15
  5. Step 5: Solve for x
    x = 443,341,733,344.15/740,034.15
  6. Step 6: Final answer
    x = 599,082.81

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1.5x scale

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.