Home / 762,339.02-1,052,001.15-422,838.86

Finding the Fourth Proportional to 762,339.02, 1,052,001.15 and 422,838.86

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Solution

The fourth proportional to 762,339.02, 1,052,001.15 and 422,838.86 is: 583,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,339.02 : 1,052,001.15 = 422,838.86 : x
  2. Step 2: Convert to fraction form
    762,339.02/1,052,001.15 = 422,838.86/x
  3. Step 3: Cross multiply
    762,339.02x = 1,052,001.15 × 422,838.86
  4. Step 4: Simplify right side
    762,339.02x = 444,826,966,984.69
  5. Step 5: Solve for x
    x = 444,826,966,984.69/762,339.02
  6. Step 6: Final answer
    x = 583,502.82

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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.