Home / 876,241.60-1,209,131.50-508,621.21

Finding the Fourth Proportional to 876,241.60, 1,209,131.50 and 508,621.21

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Solution

The fourth proportional to 876,241.60, 1,209,131.50 and 508,621.21 is: 701,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,241.60 : 1,209,131.50 = 508,621.21 : x
  2. Step 2: Convert to fraction form
    876,241.60/1,209,131.50 = 508,621.21/x
  3. Step 3: Cross multiply
    876,241.60x = 1,209,131.50 × 508,621.21
  4. Step 4: Simplify right side
    876,241.60x = 614,989,929,197.10
  5. Step 5: Solve for x
    x = 614,989,929,197.10/876,241.60
  6. Step 6: Final answer
    x = 701,849.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.