Home / 779,813.90-1,168,914.45-424,076.30

Finding the Fourth Proportional to 779,813.90, 1,168,914.45 and 424,076.30

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Solution

The fourth proportional to 779,813.90, 1,168,914.45 and 424,076.30 is: 635,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,813.90 : 1,168,914.45 = 424,076.30 : x
  2. Step 2: Convert to fraction form
    779,813.90/1,168,914.45 = 424,076.30/x
  3. Step 3: Cross multiply
    779,813.90x = 1,168,914.45 × 424,076.30
  4. Step 4: Simplify right side
    779,813.90x = 495,708,914,972.54
  5. Step 5: Solve for x
    x = 495,708,914,972.54/779,813.90
  6. Step 6: Final answer
    x = 635,675.92

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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.