Home / 839,705.59-1,158,750.12-477,079.12

Finding the Fourth Proportional to 839,705.59, 1,158,750.12 and 477,079.12

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Solution

The fourth proportional to 839,705.59, 1,158,750.12 and 477,079.12 is: 658,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,705.59 : 1,158,750.12 = 477,079.12 : x
  2. Step 2: Convert to fraction form
    839,705.59/1,158,750.12 = 477,079.12/x
  3. Step 3: Cross multiply
    839,705.59x = 1,158,750.12 × 477,079.12
  4. Step 4: Simplify right side
    839,705.59x = 552,815,487,549.50
  5. Step 5: Solve for x
    x = 552,815,487,549.50/839,705.59
  6. Step 6: Final answer
    x = 658,344.42

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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.