Home / 753,495.20-1,131,117.60-433,901.60

Finding the Fourth Proportional to 753,495.20, 1,131,117.60 and 433,901.60

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Solution

The fourth proportional to 753,495.20, 1,131,117.60 and 433,901.60 is: 651,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,495.20 : 1,131,117.60 = 433,901.60 : x
  2. Step 2: Convert to fraction form
    753,495.20/1,131,117.60 = 433,901.60/x
  3. Step 3: Cross multiply
    753,495.20x = 1,131,117.60 × 433,901.60
  4. Step 4: Simplify right side
    753,495.20x = 490,793,736,428.16
  5. Step 5: Solve for x
    x = 490,793,736,428.16/753,495.20
  6. Step 6: Final answer
    x = 651,356.16

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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.