Home / 839,481.90-1,158,526.10-472,074.68

Finding the Fourth Proportional to 839,481.90, 1,158,526.10 and 472,074.68

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Solution

The fourth proportional to 839,481.90, 1,158,526.10 and 472,074.68 is: 651,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,481.90 : 1,158,526.10 = 472,074.68 : x
  2. Step 2: Convert to fraction form
    839,481.90/1,158,526.10 = 472,074.68/x
  3. Step 3: Cross multiply
    839,481.90x = 1,158,526.10 × 472,074.68
  4. Step 4: Simplify right side
    839,481.90x = 546,910,837,929.15
  5. Step 5: Solve for x
    x = 546,910,837,929.15/839,481.90
  6. Step 6: Final answer
    x = 651,486.16

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Double scale
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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.