Home / 964,823.79-1,331,538.60-535,242.32

Finding the Fourth Proportional to 964,823.79, 1,331,538.60 and 535,242.32

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Solution

The fourth proportional to 964,823.79, 1,331,538.60 and 535,242.32 is: 738,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,823.79 : 1,331,538.60 = 535,242.32 : x
  2. Step 2: Convert to fraction form
    964,823.79/1,331,538.60 = 535,242.32/x
  3. Step 3: Cross multiply
    964,823.79x = 1,331,538.60 × 535,242.32
  4. Step 4: Simplify right side
    964,823.79x = 712,695,800,099.65
  5. Step 5: Solve for x
    x = 712,695,800,099.65/964,823.79
  6. Step 6: Final answer
    x = 738,679.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.