Home / 710,720.33-1,066,594.64-278,502.30

Finding the Fourth Proportional to 710,720.33, 1,066,594.64 and 278,502.30

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Solution

The fourth proportional to 710,720.33, 1,066,594.64 and 278,502.30 is: 417,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,720.33 : 1,066,594.64 = 278,502.30 : x
  2. Step 2: Convert to fraction form
    710,720.33/1,066,594.64 = 278,502.30/x
  3. Step 3: Cross multiply
    710,720.33x = 1,066,594.64 × 278,502.30
  4. Step 4: Simplify right side
    710,720.33x = 297,049,059,015.16
  5. Step 5: Solve for x
    x = 297,049,059,015.16/710,720.33
  6. Step 6: Final answer
    x = 417,954.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.