Home / 736,772.40-1,016,373.70-430,648.78

Finding the Fourth Proportional to 736,772.40, 1,016,373.70 and 430,648.78

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Solution

The fourth proportional to 736,772.40, 1,016,373.70 and 430,648.78 is: 594,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,772.40 : 1,016,373.70 = 430,648.78 : x
  2. Step 2: Convert to fraction form
    736,772.40/1,016,373.70 = 430,648.78/x
  3. Step 3: Cross multiply
    736,772.40x = 1,016,373.70 × 430,648.78
  4. Step 4: Simplify right side
    736,772.40x = 437,700,093,929.09
  5. Step 5: Solve for x
    x = 437,700,093,929.09/736,772.40
  6. Step 6: Final answer
    x = 594,077.76

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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.