Home / 758,834.40-1,138,271.04-359,381.28

Finding the Fourth Proportional to 758,834.40, 1,138,271.04 and 359,381.28

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Solution

The fourth proportional to 758,834.40, 1,138,271.04 and 359,381.28 is: 539,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,834.40 : 1,138,271.04 = 359,381.28 : x
  2. Step 2: Convert to fraction form
    758,834.40/1,138,271.04 = 359,381.28/x
  3. Step 3: Cross multiply
    758,834.40x = 1,138,271.04 × 359,381.28
  4. Step 4: Simplify right side
    758,834.40x = 409,073,303,342.13
  5. Step 5: Solve for x
    x = 409,073,303,342.13/758,834.40
  6. Step 6: Final answer
    x = 539,081.13

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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.