Home / 767,812.60-1,152,593.70-452,447.20

Finding the Fourth Proportional to 767,812.60, 1,152,593.70 and 452,447.20

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Solution

The fourth proportional to 767,812.60, 1,152,593.70 and 452,447.20 is: 679,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,812.60 : 1,152,593.70 = 452,447.20 : x
  2. Step 2: Convert to fraction form
    767,812.60/1,152,593.70 = 452,447.20/x
  3. Step 3: Cross multiply
    767,812.60x = 1,152,593.70 × 452,447.20
  4. Step 4: Simplify right side
    767,812.60x = 521,487,792,302.64
  5. Step 5: Solve for x
    x = 521,487,792,302.64/767,812.60
  6. Step 6: Final answer
    x = 679,186.29

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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.