Home / 714,788.70-1,069,503.16-425,542.36

Finding the Fourth Proportional to 714,788.70, 1,069,503.16 and 425,542.36

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Solution

The fourth proportional to 714,788.70, 1,069,503.16 and 425,542.36 is: 636,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,788.70 : 1,069,503.16 = 425,542.36 : x
  2. Step 2: Convert to fraction form
    714,788.70/1,069,503.16 = 425,542.36/x
  3. Step 3: Cross multiply
    714,788.70x = 1,069,503.16 × 425,542.36
  4. Step 4: Simplify right side
    714,788.70x = 455,118,897,799.45
  5. Step 5: Solve for x
    x = 455,118,897,799.45/714,788.70
  6. Step 6: Final answer
    x = 636,718.09

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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.