Home / 851,612.38-1,277,418.76-346,448.18

Finding the Fourth Proportional to 851,612.38, 1,277,418.76 and 346,448.18

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Solution

The fourth proportional to 851,612.38, 1,277,418.76 and 346,448.18 is: 519,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,612.38 : 1,277,418.76 = 346,448.18 : x
  2. Step 2: Convert to fraction form
    851,612.38/1,277,418.76 = 346,448.18/x
  3. Step 3: Cross multiply
    851,612.38x = 1,277,418.76 × 346,448.18
  4. Step 4: Simplify right side
    851,612.38x = 442,559,404,499.86
  5. Step 5: Solve for x
    x = 442,559,404,499.86/851,612.38
  6. Step 6: Final answer
    x = 519,672.35

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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.