Home / 860,484.08-1,290,585.79-253,130.32

Finding the Fourth Proportional to 860,484.08, 1,290,585.79 and 253,130.32

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Solution

The fourth proportional to 860,484.08, 1,290,585.79 and 253,130.32 is: 379,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,484.08 : 1,290,585.79 = 253,130.32 : x
  2. Step 2: Convert to fraction form
    860,484.08/1,290,585.79 = 253,130.32/x
  3. Step 3: Cross multiply
    860,484.08x = 1,290,585.79 × 253,130.32
  4. Step 4: Simplify right side
    860,484.08x = 326,686,394,010.15
  5. Step 5: Solve for x
    x = 326,686,394,010.15/860,484.08
  6. Step 6: Final answer
    x = 379,654.20

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Double scale
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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.