Home / 749,612.56-1,034,489.80-410,080.81

Finding the Fourth Proportional to 749,612.56, 1,034,489.80 and 410,080.81

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Solution

The fourth proportional to 749,612.56, 1,034,489.80 and 410,080.81 is: 565,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,612.56 : 1,034,489.80 = 410,080.81 : x
  2. Step 2: Convert to fraction form
    749,612.56/1,034,489.80 = 410,080.81/x
  3. Step 3: Cross multiply
    749,612.56x = 1,034,489.80 × 410,080.81
  4. Step 4: Simplify right side
    749,612.56x = 424,224,415,120.74
  5. Step 5: Solve for x
    x = 424,224,415,120.74/749,612.56
  6. Step 6: Final answer
    x = 565,924.90

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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.