Home / 763,690.50-1,053,914.76-424,180.62

Finding the Fourth Proportional to 763,690.50, 1,053,914.76 and 424,180.62

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Solution

The fourth proportional to 763,690.50, 1,053,914.76 and 424,180.62 is: 585,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,690.50 : 1,053,914.76 = 424,180.62 : x
  2. Step 2: Convert to fraction form
    763,690.50/1,053,914.76 = 424,180.62/x
  3. Step 3: Cross multiply
    763,690.50x = 1,053,914.76 × 424,180.62
  4. Step 4: Simplify right side
    763,690.50x = 447,050,216,323.95
  5. Step 5: Solve for x
    x = 447,050,216,323.95/763,690.50
  6. Step 6: Final answer
    x = 585,381.40

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Double scale
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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.