Home / 745,531.23-1,028,837.03-435,614.19

Finding the Fourth Proportional to 745,531.23, 1,028,837.03 and 435,614.19

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Solution

The fourth proportional to 745,531.23, 1,028,837.03 and 435,614.19 is: 601,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,531.23 : 1,028,837.03 = 435,614.19 : x
  2. Step 2: Convert to fraction form
    745,531.23/1,028,837.03 = 435,614.19/x
  3. Step 3: Cross multiply
    745,531.23x = 1,028,837.03 × 435,614.19
  4. Step 4: Simplify right side
    745,531.23x = 448,176,009,465.46
  5. Step 5: Solve for x
    x = 448,176,009,465.46/745,531.23
  6. Step 6: Final answer
    x = 601,149.88

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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.