Home / 779,846.90-1,168,963.95-424,109.30

Finding the Fourth Proportional to 779,846.90, 1,168,963.95 and 424,109.30

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Solution

The fourth proportional to 779,846.90, 1,168,963.95 and 424,109.30 is: 635,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,846.90 : 1,168,963.95 = 424,109.30 : x
  2. Step 2: Convert to fraction form
    779,846.90/1,168,963.95 = 424,109.30/x
  3. Step 3: Cross multiply
    779,846.90x = 1,168,963.95 × 424,109.30
  4. Step 4: Simplify right side
    779,846.90x = 495,768,482,559.74
  5. Step 5: Solve for x
    x = 495,768,482,559.74/779,846.90
  6. Step 6: Final answer
    x = 635,725.40

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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.