Home / 710,528.12-1,066,550.54-305,920.56

Finding the Fourth Proportional to 710,528.12, 1,066,550.54 and 305,920.56

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Solution

The fourth proportional to 710,528.12, 1,066,550.54 and 305,920.56 is: 459,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,528.12 : 1,066,550.54 = 305,920.56 : x
  2. Step 2: Convert to fraction form
    710,528.12/1,066,550.54 = 305,920.56/x
  3. Step 3: Cross multiply
    710,528.12x = 1,066,550.54 × 305,920.56
  4. Step 4: Simplify right side
    710,528.12x = 326,279,738,465.10
  5. Step 5: Solve for x
    x = 326,279,738,465.10/710,528.12
  6. Step 6: Final answer
    x = 459,207.35

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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.