Home / 779,693.85-1,168,209.50-424,072.89

Finding the Fourth Proportional to 779,693.85, 1,168,209.50 and 424,072.89

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Solution

The fourth proportional to 779,693.85, 1,168,209.50 and 424,072.89 is: 635,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,693.85 : 1,168,209.50 = 424,072.89 : x
  2. Step 2: Convert to fraction form
    779,693.85/1,168,209.50 = 424,072.89/x
  3. Step 3: Cross multiply
    779,693.85x = 1,168,209.50 × 424,072.89
  4. Step 4: Simplify right side
    779,693.85x = 495,405,976,670.09
  5. Step 5: Solve for x
    x = 495,405,976,670.09/779,693.85
  6. Step 6: Final answer
    x = 635,385.26

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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.