Home / 758,719.15-1,045,816.38-513,626.62

Finding the Fourth Proportional to 758,719.15, 1,045,816.38 and 513,626.62

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Solution

The fourth proportional to 758,719.15, 1,045,816.38 and 513,626.62 is: 707,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,719.15 : 1,045,816.38 = 513,626.62 : x
  2. Step 2: Convert to fraction form
    758,719.15/1,045,816.38 = 513,626.62/x
  3. Step 3: Cross multiply
    758,719.15x = 1,045,816.38 × 513,626.62
  4. Step 4: Simplify right side
    758,719.15x = 537,159,132,400.04
  5. Step 5: Solve for x
    x = 537,159,132,400.04/758,719.15
  6. Step 6: Final answer
    x = 707,981.51

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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.