Home / 768,045.60-1,152,943.20-452,680.20

Finding the Fourth Proportional to 768,045.60, 1,152,943.20 and 452,680.20

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Solution

The fourth proportional to 768,045.60, 1,152,943.20 and 452,680.20 is: 679,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.60 : 1,152,943.20 = 452,680.20 : x
  2. Step 2: Convert to fraction form
    768,045.60/1,152,943.20 = 452,680.20/x
  3. Step 3: Cross multiply
    768,045.60x = 1,152,943.20 × 452,680.20
  4. Step 4: Simplify right side
    768,045.60x = 521,914,558,364.64
  5. Step 5: Solve for x
    x = 521,914,558,364.64/768,045.60
  6. Step 6: Final answer
    x = 679,535.90

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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.