Home / 788,501.10-1,182,751.65-611,553.90

Finding the Fourth Proportional to 788,501.10, 1,182,751.65 and 611,553.90

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Solution

The fourth proportional to 788,501.10, 1,182,751.65 and 611,553.90 is: 917,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,501.10 : 1,182,751.65 = 611,553.90 : x
  2. Step 2: Convert to fraction form
    788,501.10/1,182,751.65 = 611,553.90/x
  3. Step 3: Cross multiply
    788,501.10x = 1,182,751.65 × 611,553.90
  4. Step 4: Simplify right side
    788,501.10x = 723,316,384,288.94
  5. Step 5: Solve for x
    x = 723,316,384,288.94/788,501.10
  6. Step 6: Final answer
    x = 917,330.85

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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.