Home / 788,323.62-1,087,886.31-425,747.55

Finding the Fourth Proportional to 788,323.62, 1,087,886.31 and 425,747.55

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Solution

The fourth proportional to 788,323.62, 1,087,886.31 and 425,747.55 is: 587,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,323.62 : 1,087,886.31 = 425,747.55 : x
  2. Step 2: Convert to fraction form
    788,323.62/1,087,886.31 = 425,747.55/x
  3. Step 3: Cross multiply
    788,323.62x = 1,087,886.31 × 425,747.55
  4. Step 4: Simplify right side
    788,323.62x = 463,164,931,161.04
  5. Step 5: Solve for x
    x = 463,164,931,161.04/788,323.62
  6. Step 6: Final answer
    x = 587,531.46

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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.