Home / 847,221.60-1,270,832.40-286,256.10

Finding the Fourth Proportional to 847,221.60, 1,270,832.40 and 286,256.10

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Solution

The fourth proportional to 847,221.60, 1,270,832.40 and 286,256.10 is: 429,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,221.60 : 1,270,832.40 = 286,256.10 : x
  2. Step 2: Convert to fraction form
    847,221.60/1,270,832.40 = 286,256.10/x
  3. Step 3: Cross multiply
    847,221.60x = 1,270,832.40 × 286,256.10
  4. Step 4: Simplify right side
    847,221.60x = 363,783,526,577.64
  5. Step 5: Solve for x
    x = 363,783,526,577.64/847,221.60
  6. Step 6: Final answer
    x = 429,384.15

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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.