Home / 710,615.05-1,066,475.33-495,988.66

Finding the Fourth Proportional to 710,615.05, 1,066,475.33 and 495,988.66

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Solution

The fourth proportional to 710,615.05, 1,066,475.33 and 495,988.66 is: 744,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,615.05 : 1,066,475.33 = 495,988.66 : x
  2. Step 2: Convert to fraction form
    710,615.05/1,066,475.33 = 495,988.66/x
  3. Step 3: Cross multiply
    710,615.05x = 1,066,475.33 × 495,988.66
  4. Step 4: Simplify right side
    710,615.05x = 528,959,667,369.81
  5. Step 5: Solve for x
    x = 528,959,667,369.81/710,615.05
  6. Step 6: Final answer
    x = 744,368.79

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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.