Home / 739,026.79-1,108,195.63-383,945.47

Finding the Fourth Proportional to 739,026.79, 1,108,195.63 and 383,945.47

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Solution

The fourth proportional to 739,026.79, 1,108,195.63 and 383,945.47 is: 575,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,026.79 : 1,108,195.63 = 383,945.47 : x
  2. Step 2: Convert to fraction form
    739,026.79/1,108,195.63 = 383,945.47/x
  3. Step 3: Cross multiply
    739,026.79x = 1,108,195.63 × 383,945.47
  4. Step 4: Simplify right side
    739,026.79x = 425,486,688,281.94
  5. Step 5: Solve for x
    x = 425,486,688,281.94/739,026.79
  6. Step 6: Final answer
    x = 575,739.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.