Home / 435,185.28-651,494.88-424,454.40

Finding the Fourth Proportional to 435,185.28, 651,494.88 and 424,454.40

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Solution

The fourth proportional to 435,185.28, 651,494.88 and 424,454.40 is: 635,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,185.28 : 651,494.88 = 424,454.40 : x
  2. Step 2: Convert to fraction form
    435,185.28/651,494.88 = 424,454.40/x
  3. Step 3: Cross multiply
    435,185.28x = 651,494.88 × 424,454.40
  4. Step 4: Simplify right side
    435,185.28x = 276,529,868,393.47
  5. Step 5: Solve for x
    x = 276,529,868,393.47/435,185.28
  6. Step 6: Final answer
    x = 635,430.20

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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.