Home / 816,137.52-1,126,374.90-458,510.64

Finding the Fourth Proportional to 816,137.52, 1,126,374.90 and 458,510.64

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Solution

The fourth proportional to 816,137.52, 1,126,374.90 and 458,510.64 is: 632,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,137.52 : 1,126,374.90 = 458,510.64 : x
  2. Step 2: Convert to fraction form
    816,137.52/1,126,374.90 = 458,510.64/x
  3. Step 3: Cross multiply
    816,137.52x = 1,126,374.90 × 458,510.64
  4. Step 4: Simplify right side
    816,137.52x = 516,454,876,278.94
  5. Step 5: Solve for x
    x = 516,454,876,278.94/816,137.52
  6. Step 6: Final answer
    x = 632,803.74

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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.