Home / 743,677.20-1,114,203.60-609,832.80

Finding the Fourth Proportional to 743,677.20, 1,114,203.60 and 609,832.80

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Solution

The fourth proportional to 743,677.20, 1,114,203.60 and 609,832.80 is: 913,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,677.20 : 1,114,203.60 = 609,832.80 : x
  2. Step 2: Convert to fraction form
    743,677.20/1,114,203.60 = 609,832.80/x
  3. Step 3: Cross multiply
    743,677.20x = 1,114,203.60 × 609,832.80
  4. Step 4: Simplify right side
    743,677.20x = 679,477,901,158.08
  5. Step 5: Solve for x
    x = 679,477,901,158.08/743,677.20
  6. Step 6: Final answer
    x = 913,673.17

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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.