Home / 788,583.60-1,181,320.20-472,100.40

Finding the Fourth Proportional to 788,583.60, 1,181,320.20 and 472,100.40

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Solution

The fourth proportional to 788,583.60, 1,181,320.20 and 472,100.40 is: 707,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,583.60 : 1,181,320.20 = 472,100.40 : x
  2. Step 2: Convert to fraction form
    788,583.60/1,181,320.20 = 472,100.40/x
  3. Step 3: Cross multiply
    788,583.60x = 1,181,320.20 × 472,100.40
  4. Step 4: Simplify right side
    788,583.60x = 557,701,738,948.08
  5. Step 5: Solve for x
    x = 557,701,738,948.08/788,583.60
  6. Step 6: Final answer
    x = 707,219.55

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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.