Home / 745,380.24-1,028,637.18-423,100.23

Finding the Fourth Proportional to 745,380.24, 1,028,637.18 and 423,100.23

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Solution

The fourth proportional to 745,380.24, 1,028,637.18 and 423,100.23 is: 583,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,380.24 : 1,028,637.18 = 423,100.23 : x
  2. Step 2: Convert to fraction form
    745,380.24/1,028,637.18 = 423,100.23/x
  3. Step 3: Cross multiply
    745,380.24x = 1,028,637.18 × 423,100.23
  4. Step 4: Simplify right side
    745,380.24x = 435,216,627,444.55
  5. Step 5: Solve for x
    x = 435,216,627,444.55/745,380.24
  6. Step 6: Final answer
    x = 583,885.38

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Double scale
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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.