Home / 745,585.64-1,028,937.31-423,325.72

Finding the Fourth Proportional to 745,585.64, 1,028,937.31 and 423,325.72

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Solution

The fourth proportional to 745,585.64, 1,028,937.31 and 423,325.72 is: 584,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,585.64 : 1,028,937.31 = 423,325.72 : x
  2. Step 2: Convert to fraction form
    745,585.64/1,028,937.31 = 423,325.72/x
  3. Step 3: Cross multiply
    745,585.64x = 1,028,937.31 × 423,325.72
  4. Step 4: Simplify right side
    745,585.64x = 435,575,627,590.61
  5. Step 5: Solve for x
    x = 435,575,627,590.61/745,585.64
  6. Step 6: Final answer
    x = 584,206.03

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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.