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Finding the Fourth Proportional to 650,277.90, 974,034.45 and 426,329.10

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Solution

The fourth proportional to 650,277.90, 974,034.45 and 426,329.10 is: 638,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,277.90 : 974,034.45 = 426,329.10 : x
  2. Step 2: Convert to fraction form
    650,277.90/974,034.45 = 426,329.10/x
  3. Step 3: Cross multiply
    650,277.90x = 974,034.45 × 426,329.10
  4. Step 4: Simplify right side
    650,277.90x = 415,259,230,437.50
  5. Step 5: Solve for x
    x = 415,259,230,437.50/650,277.90
  6. Step 6: Final answer
    x = 638,587.33

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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.