Home / 708,486.90-1,062,960.12-424,133.16

Finding the Fourth Proportional to 708,486.90, 1,062,960.12 and 424,133.16

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Solution

The fourth proportional to 708,486.90, 1,062,960.12 and 424,133.16 is: 636,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,486.90 : 1,062,960.12 = 424,133.16 : x
  2. Step 2: Convert to fraction form
    708,486.90/1,062,960.12 = 424,133.16/x
  3. Step 3: Cross multiply
    708,486.90x = 1,062,960.12 × 424,133.16
  4. Step 4: Simplify right side
    708,486.90x = 450,836,634,649.58
  5. Step 5: Solve for x
    x = 450,836,634,649.58/708,486.90
  6. Step 6: Final answer
    x = 636,337.29

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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.