Home / 745,319.16-1,028,524.28-435,275.08

Finding the Fourth Proportional to 745,319.16, 1,028,524.28 and 435,275.08

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Solution

The fourth proportional to 745,319.16, 1,028,524.28 and 435,275.08 is: 600,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,319.16 : 1,028,524.28 = 435,275.08 : x
  2. Step 2: Convert to fraction form
    745,319.16/1,028,524.28 = 435,275.08/x
  3. Step 3: Cross multiply
    745,319.16x = 1,028,524.28 × 435,275.08
  4. Step 4: Simplify right side
    745,319.16x = 447,690,988,258.94
  5. Step 5: Solve for x
    x = 447,690,988,258.94/745,319.16
  6. Step 6: Final answer
    x = 600,670.17

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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.