Home / 745,883.52-1,029,316.80-406,350.72

Finding the Fourth Proportional to 745,883.52, 1,029,316.80 and 406,350.72

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Solution

The fourth proportional to 745,883.52, 1,029,316.80 and 406,350.72 is: 560,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,883.52 : 1,029,316.80 = 406,350.72 : x
  2. Step 2: Convert to fraction form
    745,883.52/1,029,316.80 = 406,350.72/x
  3. Step 3: Cross multiply
    745,883.52x = 1,029,316.80 × 406,350.72
  4. Step 4: Simplify right side
    745,883.52x = 418,263,622,788.10
  5. Step 5: Solve for x
    x = 418,263,622,788.10/745,883.52
  6. Step 6: Final answer
    x = 560,762.65

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1.5x scale

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.