Home / 788,240.44-1,087,382.10-465,794.56

Finding the Fourth Proportional to 788,240.44, 1,087,382.10 and 465,794.56

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Solution

The fourth proportional to 788,240.44, 1,087,382.10 and 465,794.56 is: 642,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,240.44 : 1,087,382.10 = 465,794.56 : x
  2. Step 2: Convert to fraction form
    788,240.44/1,087,382.10 = 465,794.56/x
  3. Step 3: Cross multiply
    788,240.44x = 1,087,382.10 × 465,794.56
  4. Step 4: Simplify right side
    788,240.44x = 506,496,666,821.38
  5. Step 5: Solve for x
    x = 506,496,666,821.38/788,240.44
  6. Step 6: Final answer
    x = 642,566.20

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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.