Home / 724,492.20-1,086,738.30-500,543.40

Finding the Fourth Proportional to 724,492.20, 1,086,738.30 and 500,543.40

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Solution

The fourth proportional to 724,492.20, 1,086,738.30 and 500,543.40 is: 750,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,492.20 : 1,086,738.30 = 500,543.40 : x
  2. Step 2: Convert to fraction form
    724,492.20/1,086,738.30 = 500,543.40/x
  3. Step 3: Cross multiply
    724,492.20x = 1,086,738.30 × 500,543.40
  4. Step 4: Simplify right side
    724,492.20x = 543,959,683,592.22
  5. Step 5: Solve for x
    x = 543,959,683,592.22/724,492.20
  6. Step 6: Final answer
    x = 750,815.10

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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.