Home / 709,740.54-979,444.17-455,092.74

Finding the Fourth Proportional to 709,740.54, 979,444.17 and 455,092.74

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Solution

The fourth proportional to 709,740.54, 979,444.17 and 455,092.74 is: 628,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,740.54 : 979,444.17 = 455,092.74 : x
  2. Step 2: Convert to fraction form
    709,740.54/979,444.17 = 455,092.74/x
  3. Step 3: Cross multiply
    709,740.54x = 979,444.17 × 455,092.74
  4. Step 4: Simplify right side
    709,740.54x = 445,737,931,002.33
  5. Step 5: Solve for x
    x = 445,737,931,002.33/709,740.54
  6. Step 6: Final answer
    x = 628,029.41

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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.