Home / 956,422.10-1,434,965.25-424,316.76

Finding the Fourth Proportional to 956,422.10, 1,434,965.25 and 424,316.76

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Solution

The fourth proportional to 956,422.10, 1,434,965.25 and 424,316.76 is: 636,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,422.10 : 1,434,965.25 = 424,316.76 : x
  2. Step 2: Convert to fraction form
    956,422.10/1,434,965.25 = 424,316.76/x
  3. Step 3: Cross multiply
    956,422.10x = 1,434,965.25 × 424,316.76
  4. Step 4: Simplify right side
    956,422.10x = 608,879,805,592.59
  5. Step 5: Solve for x
    x = 608,879,805,592.59/956,422.10
  6. Step 6: Final answer
    x = 636,622.48

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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.