Home / 748,477.66-1,032,900.28-426,188.02

Finding the Fourth Proportional to 748,477.66, 1,032,900.28 and 426,188.02

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Solution

The fourth proportional to 748,477.66, 1,032,900.28 and 426,188.02 is: 588,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,477.66 : 1,032,900.28 = 426,188.02 : x
  2. Step 2: Convert to fraction form
    748,477.66/1,032,900.28 = 426,188.02/x
  3. Step 3: Cross multiply
    748,477.66x = 1,032,900.28 × 426,188.02
  4. Step 4: Simplify right side
    748,477.66x = 440,209,725,190.65
  5. Step 5: Solve for x
    x = 440,209,725,190.65/748,477.66
  6. Step 6: Final answer
    x = 588,140.10

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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.