Home / 786,305.90-1,177,686.30-550,700.12

Finding the Fourth Proportional to 786,305.90, 1,177,686.30 and 550,700.12

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Solution

The fourth proportional to 786,305.90, 1,177,686.30 and 550,700.12 is: 824,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,305.90 : 1,177,686.30 = 550,700.12 : x
  2. Step 2: Convert to fraction form
    786,305.90/1,177,686.30 = 550,700.12/x
  3. Step 3: Cross multiply
    786,305.90x = 1,177,686.30 × 550,700.12
  4. Step 4: Simplify right side
    786,305.90x = 648,551,986,732.36
  5. Step 5: Solve for x
    x = 648,551,986,732.36/786,305.90
  6. Step 6: Final answer
    x = 824,808.75

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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.