Home / 788,269.24-1,087,811.53-425,693.13

Finding the Fourth Proportional to 788,269.24, 1,087,811.53 and 425,693.13

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Solution

The fourth proportional to 788,269.24, 1,087,811.53 and 425,693.13 is: 587,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,269.24 : 1,087,811.53 = 425,693.13 : x
  2. Step 2: Convert to fraction form
    788,269.24/1,087,811.53 = 425,693.13/x
  3. Step 3: Cross multiply
    788,269.24x = 1,087,811.53 × 425,693.13
  4. Step 4: Simplify right side
    788,269.24x = 463,073,895,055.79
  5. Step 5: Solve for x
    x = 463,073,895,055.79/788,269.24
  6. Step 6: Final answer
    x = 587,456.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.