Home / 758,625.70-1,138,266.60-384,648.70

Finding the Fourth Proportional to 758,625.70, 1,138,266.60 and 384,648.70

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Solution

The fourth proportional to 758,625.70, 1,138,266.60 and 384,648.70 is: 577,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,625.70 : 1,138,266.60 = 384,648.70 : x
  2. Step 2: Convert to fraction form
    758,625.70/1,138,266.60 = 384,648.70/x
  3. Step 3: Cross multiply
    758,625.70x = 1,138,266.60 × 384,648.70
  4. Step 4: Simplify right side
    758,625.70x = 437,832,767,943.42
  5. Step 5: Solve for x
    x = 437,832,767,943.42/758,625.70
  6. Step 6: Final answer
    x = 577,139.38

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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.