Home / 788,047.56-1,182,549.42-314,693.28

Finding the Fourth Proportional to 788,047.56, 1,182,549.42 and 314,693.28

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Solution

The fourth proportional to 788,047.56, 1,182,549.42 and 314,693.28 is: 472,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,047.56 : 1,182,549.42 = 314,693.28 : x
  2. Step 2: Convert to fraction form
    788,047.56/1,182,549.42 = 314,693.28/x
  3. Step 3: Cross multiply
    788,047.56x = 1,182,549.42 × 314,693.28
  4. Step 4: Simplify right side
    788,047.56x = 372,140,355,741.90
  5. Step 5: Solve for x
    x = 372,140,355,741.90/788,047.56
  6. Step 6: Final answer
    x = 472,230.83

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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.