Home / 748,478.66-1,032,901.66-426,189.02

Finding the Fourth Proportional to 748,478.66, 1,032,901.66 and 426,189.02

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Solution

The fourth proportional to 748,478.66, 1,032,901.66 and 426,189.02 is: 588,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,478.66 : 1,032,901.66 = 426,189.02 : x
  2. Step 2: Convert to fraction form
    748,478.66/1,032,901.66 = 426,189.02/x
  3. Step 3: Cross multiply
    748,478.66x = 1,032,901.66 × 426,189.02
  4. Step 4: Simplify right side
    748,478.66x = 440,211,346,231.77
  5. Step 5: Solve for x
    x = 440,211,346,231.77/748,478.66
  6. Step 6: Final answer
    x = 588,141.48

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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.