Home / 748,325.47-1,032,690.09-426,035.56

Finding the Fourth Proportional to 748,325.47, 1,032,690.09 and 426,035.56

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Solution

The fourth proportional to 748,325.47, 1,032,690.09 and 426,035.56 is: 587,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,325.47 : 1,032,690.09 = 426,035.56 : x
  2. Step 2: Convert to fraction form
    748,325.47/1,032,690.09 = 426,035.56/x
  3. Step 3: Cross multiply
    748,325.47x = 1,032,690.09 × 426,035.56
  4. Step 4: Simplify right side
    748,325.47x = 439,962,700,799.60
  5. Step 5: Solve for x
    x = 439,962,700,799.60/748,325.47
  6. Step 6: Final answer
    x = 587,929.61

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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.