Home / 745,560.56-1,028,808.36-423,284.24

Finding the Fourth Proportional to 745,560.56, 1,028,808.36 and 423,284.24

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Solution

The fourth proportional to 745,560.56, 1,028,808.36 and 423,284.24 is: 584,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,560.56 : 1,028,808.36 = 423,284.24 : x
  2. Step 2: Convert to fraction form
    745,560.56/1,028,808.36 = 423,284.24/x
  3. Step 3: Cross multiply
    745,560.56x = 1,028,808.36 × 423,284.24
  4. Step 4: Simplify right side
    745,560.56x = 435,478,364,768.25
  5. Step 5: Solve for x
    x = 435,478,364,768.25/745,560.56
  6. Step 6: Final answer
    x = 584,095.23

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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.