Home / 710,331.60-1,066,102.20-289,909.20

Finding the Fourth Proportional to 710,331.60, 1,066,102.20 and 289,909.20

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Solution

The fourth proportional to 710,331.60, 1,066,102.20 and 289,909.20 is: 435,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,331.60 : 1,066,102.20 = 289,909.20 : x
  2. Step 2: Convert to fraction form
    710,331.60/1,066,102.20 = 289,909.20/x
  3. Step 3: Cross multiply
    710,331.60x = 1,066,102.20 × 289,909.20
  4. Step 4: Simplify right side
    710,331.60x = 309,072,835,920.24
  5. Step 5: Solve for x
    x = 309,072,835,920.24/710,331.60
  6. Step 6: Final answer
    x = 435,110.64

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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.