Home / 837,259.20-1,255,888.80-338,623.20

Finding the Fourth Proportional to 837,259.20, 1,255,888.80 and 338,623.20

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Solution

The fourth proportional to 837,259.20, 1,255,888.80 and 338,623.20 is: 507,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,259.20 : 1,255,888.80 = 338,623.20 : x
  2. Step 2: Convert to fraction form
    837,259.20/1,255,888.80 = 338,623.20/x
  3. Step 3: Cross multiply
    837,259.20x = 1,255,888.80 × 338,623.20
  4. Step 4: Simplify right side
    837,259.20x = 425,273,084,300.16
  5. Step 5: Solve for x
    x = 425,273,084,300.16/837,259.20
  6. Step 6: Final answer
    x = 507,934.80

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Similar ratio
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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.