Home / 745,393.92-1,028,649.96-423,104.64

Finding the Fourth Proportional to 745,393.92, 1,028,649.96 and 423,104.64

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Solution

The fourth proportional to 745,393.92, 1,028,649.96 and 423,104.64 is: 583,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,393.92 : 1,028,649.96 = 423,104.64 : x
  2. Step 2: Convert to fraction form
    745,393.92/1,028,649.96 = 423,104.64/x
  3. Step 3: Cross multiply
    745,393.92x = 1,028,649.96 × 423,104.64
  4. Step 4: Simplify right side
    745,393.92x = 435,226,571,011.81
  5. Step 5: Solve for x
    x = 435,226,571,011.81/745,393.92
  6. Step 6: Final answer
    x = 583,888.01

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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.