Home / 709,845.60-980,029.08-451,868.16

Finding the Fourth Proportional to 709,845.60, 980,029.08 and 451,868.16

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Solution

The fourth proportional to 709,845.60, 980,029.08 and 451,868.16 is: 623,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,845.60 : 980,029.08 = 451,868.16 : x
  2. Step 2: Convert to fraction form
    709,845.60/980,029.08 = 451,868.16/x
  3. Step 3: Cross multiply
    709,845.60x = 980,029.08 × 451,868.16
  4. Step 4: Simplify right side
    709,845.60x = 442,843,937,126.09
  5. Step 5: Solve for x
    x = 442,843,937,126.09/709,845.60
  6. Step 6: Final answer
    x = 623,859.52

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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.