Home / 847,209.60-1,268,740.80-403,459.20

Finding the Fourth Proportional to 847,209.60, 1,268,740.80 and 403,459.20

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Solution

The fourth proportional to 847,209.60, 1,268,740.80 and 403,459.20 is: 604,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,209.60 : 1,268,740.80 = 403,459.20 : x
  2. Step 2: Convert to fraction form
    847,209.60/1,268,740.80 = 403,459.20/x
  3. Step 3: Cross multiply
    847,209.60x = 1,268,740.80 × 403,459.20
  4. Step 4: Simplify right side
    847,209.60x = 511,885,148,175.36
  5. Step 5: Solve for x
    x = 511,885,148,175.36/847,209.60
  6. Step 6: Final answer
    x = 604,201.31

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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.