Home / 992,923.89-1,370,125.32-557,241.30

Finding the Fourth Proportional to 992,923.89, 1,370,125.32 and 557,241.30

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Solution

The fourth proportional to 992,923.89, 1,370,125.32 and 557,241.30 is: 768,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,923.89 : 1,370,125.32 = 557,241.30 : x
  2. Step 2: Convert to fraction form
    992,923.89/1,370,125.32 = 557,241.30/x
  3. Step 3: Cross multiply
    992,923.89x = 1,370,125.32 × 557,241.30
  4. Step 4: Simplify right side
    992,923.89x = 763,490,414,479.72
  5. Step 5: Solve for x
    x = 763,490,414,479.72/992,923.89
  6. Step 6: Final answer
    x = 768,931.46

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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.