Home / 738,225.60-1,107,338.40-631,937.40

Finding the Fourth Proportional to 738,225.60, 1,107,338.40 and 631,937.40

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Solution

The fourth proportional to 738,225.60, 1,107,338.40 and 631,937.40 is: 947,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,225.60 : 1,107,338.40 = 631,937.40 : x
  2. Step 2: Convert to fraction form
    738,225.60/1,107,338.40 = 631,937.40/x
  3. Step 3: Cross multiply
    738,225.60x = 1,107,338.40 × 631,937.40
  4. Step 4: Simplify right side
    738,225.60x = 699,768,549,416.16
  5. Step 5: Solve for x
    x = 699,768,549,416.16/738,225.60
  6. Step 6: Final answer
    x = 947,906.10

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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.