Home / 560,265.18-838,557.45-426,422.94

Finding the Fourth Proportional to 560,265.18, 838,557.45 and 426,422.94

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Solution

The fourth proportional to 560,265.18, 838,557.45 and 426,422.94 is: 638,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,265.18 : 838,557.45 = 426,422.94 : x
  2. Step 2: Convert to fraction form
    560,265.18/838,557.45 = 426,422.94/x
  3. Step 3: Cross multiply
    560,265.18x = 838,557.45 × 426,422.94
  4. Step 4: Simplify right side
    560,265.18x = 357,580,133,187.90
  5. Step 5: Solve for x
    x = 357,580,133,187.90/560,265.18
  6. Step 6: Final answer
    x = 638,233.73

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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.