Home / 804,587.30-1,205,498.55-424,945.70

Finding the Fourth Proportional to 804,587.30, 1,205,498.55 and 424,945.70

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Solution

The fourth proportional to 804,587.30, 1,205,498.55 and 424,945.70 is: 636,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,587.30 : 1,205,498.55 = 424,945.70 : x
  2. Step 2: Convert to fraction form
    804,587.30/1,205,498.55 = 424,945.70/x
  3. Step 3: Cross multiply
    804,587.30x = 1,205,498.55 × 424,945.70
  4. Step 4: Simplify right side
    804,587.30x = 512,271,425,178.74
  5. Step 5: Solve for x
    x = 512,271,425,178.74/804,587.30
  6. Step 6: Final answer
    x = 636,688.43

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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.