Home / 897,801.26-1,238,995.64-489,925.56

Finding the Fourth Proportional to 897,801.26, 1,238,995.64 and 489,925.56

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Solution

The fourth proportional to 897,801.26, 1,238,995.64 and 489,925.56 is: 676,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,801.26 : 1,238,995.64 = 489,925.56 : x
  2. Step 2: Convert to fraction form
    897,801.26/1,238,995.64 = 489,925.56/x
  3. Step 3: Cross multiply
    897,801.26x = 1,238,995.64 × 489,925.56
  4. Step 4: Simplify right side
    897,801.26x = 607,015,630,314.93
  5. Step 5: Solve for x
    x = 607,015,630,314.93/897,801.26
  6. Step 6: Final answer
    x = 676,113.59

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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.