Home / 964,920.60-1,331,749.88-535,339.12

Finding the Fourth Proportional to 964,920.60, 1,331,749.88 and 535,339.12

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Solution

The fourth proportional to 964,920.60, 1,331,749.88 and 535,339.12 is: 738,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,920.60 : 1,331,749.88 = 535,339.12 : x
  2. Step 2: Convert to fraction form
    964,920.60/1,331,749.88 = 535,339.12/x
  3. Step 3: Cross multiply
    964,920.60x = 1,331,749.88 × 535,339.12
  4. Step 4: Simplify right side
    964,920.60x = 712,937,808,819.31
  5. Step 5: Solve for x
    x = 712,937,808,819.31/964,920.60
  6. Step 6: Final answer
    x = 738,856.45

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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.