Home / 788,552.10-1,182,828.15-289,851.30

Finding the Fourth Proportional to 788,552.10, 1,182,828.15 and 289,851.30

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Solution

The fourth proportional to 788,552.10, 1,182,828.15 and 289,851.30 is: 434,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,552.10 : 1,182,828.15 = 289,851.30 : x
  2. Step 2: Convert to fraction form
    788,552.10/1,182,828.15 = 289,851.30/x
  3. Step 3: Cross multiply
    788,552.10x = 1,182,828.15 × 289,851.30
  4. Step 4: Simplify right side
    788,552.10x = 342,844,276,954.10
  5. Step 5: Solve for x
    x = 342,844,276,954.10/788,552.10
  6. Step 6: Final answer
    x = 434,776.95

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Double scale
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Similar ratio
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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.