Home / 745,214.86-1,028,393.57-418,482.52

Finding the Fourth Proportional to 745,214.86, 1,028,393.57 and 418,482.52

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Solution

The fourth proportional to 745,214.86, 1,028,393.57 and 418,482.52 is: 577,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,214.86 : 1,028,393.57 = 418,482.52 : x
  2. Step 2: Convert to fraction form
    745,214.86/1,028,393.57 = 418,482.52/x
  3. Step 3: Cross multiply
    745,214.86x = 1,028,393.57 × 418,482.52
  4. Step 4: Simplify right side
    745,214.86x = 430,364,732,725.40
  5. Step 5: Solve for x
    x = 430,364,732,725.40/745,214.86
  6. Step 6: Final answer
    x = 577,504.23

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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.