Home / 745,573.60-1,028,884.48-406,047.52

Finding the Fourth Proportional to 745,573.60, 1,028,884.48 and 406,047.52

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Solution

The fourth proportional to 745,573.60, 1,028,884.48 and 406,047.52 is: 560,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,573.60 : 1,028,884.48 = 406,047.52 : x
  2. Step 2: Convert to fraction form
    745,573.60/1,028,884.48 = 406,047.52/x
  3. Step 3: Cross multiply
    745,573.60x = 1,028,884.48 × 406,047.52
  4. Step 4: Simplify right side
    745,573.60x = 417,775,991,470.49
  5. Step 5: Solve for x
    x = 417,775,991,470.49/745,573.60
  6. Step 6: Final answer
    x = 560,341.72

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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.