Home / 747,313.60-1,121,158.12-214,835.60

Finding the Fourth Proportional to 747,313.60, 1,121,158.12 and 214,835.60

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Solution

The fourth proportional to 747,313.60, 1,121,158.12 and 214,835.60 is: 322,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,313.60 : 1,121,158.12 = 214,835.60 : x
  2. Step 2: Convert to fraction form
    747,313.60/1,121,158.12 = 214,835.60/x
  3. Step 3: Cross multiply
    747,313.60x = 1,121,158.12 × 214,835.60
  4. Step 4: Simplify right side
    747,313.60x = 240,864,677,405.07
  5. Step 5: Solve for x
    x = 240,864,677,405.07/747,313.60
  6. Step 6: Final answer
    x = 322,307.37

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Double scale
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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.