Home / 745,606.64-1,028,949-423,310.16

Finding the Fourth Proportional to 745,606.64, 1,028,949 and 423,310.16

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Solution

The fourth proportional to 745,606.64, 1,028,949 and 423,310.16 is: 584,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,606.64 : 1,028,949 = 423,310.16 : x
  2. Step 2: Convert to fraction form
    745,606.64/1,028,949 = 423,310.16/x
  3. Step 3: Cross multiply
    745,606.64x = 1,028,949 × 423,310.16
  4. Step 4: Simplify right side
    745,606.64x = 435,564,565,821.84
  5. Step 5: Solve for x
    x = 435,564,565,821.84/745,606.64
  6. Step 6: Final answer
    x = 584,174.74

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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.