Home / 670,638.60-1,005,612.30-249,697.80

Finding the Fourth Proportional to 670,638.60, 1,005,612.30 and 249,697.80

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Solution

The fourth proportional to 670,638.60, 1,005,612.30 and 249,697.80 is: 374,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,638.60 : 1,005,612.30 = 249,697.80 : x
  2. Step 2: Convert to fraction form
    670,638.60/1,005,612.30 = 249,697.80/x
  3. Step 3: Cross multiply
    670,638.60x = 1,005,612.30 × 249,697.80
  4. Step 4: Simplify right side
    670,638.60x = 251,099,178,962.94
  5. Step 5: Solve for x
    x = 251,099,178,962.94/670,638.60
  6. Step 6: Final answer
    x = 374,418.02

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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.