Home / 670,153.20-1,005,114.60-249,212.40

Finding the Fourth Proportional to 670,153.20, 1,005,114.60 and 249,212.40

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Solution

The fourth proportional to 670,153.20, 1,005,114.60 and 249,212.40 is: 373,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,153.20 : 1,005,114.60 = 249,212.40 : x
  2. Step 2: Convert to fraction form
    670,153.20/1,005,114.60 = 249,212.40/x
  3. Step 3: Cross multiply
    670,153.20x = 1,005,114.60 × 249,212.40
  4. Step 4: Simplify right side
    670,153.20x = 250,487,021,741.04
  5. Step 5: Solve for x
    x = 250,487,021,741.04/670,153.20
  6. Step 6: Final answer
    x = 373,775.76

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Similar ratio
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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.