Home / 970,287.60-1,455,586.80-409,404.72

Finding the Fourth Proportional to 970,287.60, 1,455,586.80 and 409,404.72

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Solution

The fourth proportional to 970,287.60, 1,455,586.80 and 409,404.72 is: 614,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,287.60 : 1,455,586.80 = 409,404.72 : x
  2. Step 2: Convert to fraction form
    970,287.60/1,455,586.80 = 409,404.72/x
  3. Step 3: Cross multiply
    970,287.60x = 1,455,586.80 × 409,404.72
  4. Step 4: Simplify right side
    970,287.60x = 595,924,106,289.70
  5. Step 5: Solve for x
    x = 595,924,106,289.70/970,287.60
  6. Step 6: Final answer
    x = 614,172.65

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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.