Home / 786,285.90-1,177,700.04-649,803.15

Finding the Fourth Proportional to 786,285.90, 1,177,700.04 and 649,803.15

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Solution

The fourth proportional to 786,285.90, 1,177,700.04 and 649,803.15 is: 973,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,285.90 : 1,177,700.04 = 649,803.15 : x
  2. Step 2: Convert to fraction form
    786,285.90/1,177,700.04 = 649,803.15/x
  3. Step 3: Cross multiply
    786,285.90x = 1,177,700.04 × 649,803.15
  4. Step 4: Simplify right side
    786,285.90x = 765,273,195,747.13
  5. Step 5: Solve for x
    x = 765,273,195,747.13/786,285.90
  6. Step 6: Final answer
    x = 973,276.00

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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.