Home / 897,053.88-1,237,925.34-489,154.72

Finding the Fourth Proportional to 897,053.88, 1,237,925.34 and 489,154.72

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Solution

The fourth proportional to 897,053.88, 1,237,925.34 and 489,154.72 is: 675,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,053.88 : 1,237,925.34 = 489,154.72 : x
  2. Step 2: Convert to fraction form
    897,053.88/1,237,925.34 = 489,154.72/x
  3. Step 3: Cross multiply
    897,053.88x = 1,237,925.34 × 489,154.72
  4. Step 4: Simplify right side
    897,053.88x = 605,537,023,068.61
  5. Step 5: Solve for x
    x = 605,537,023,068.61/897,053.88
  6. Step 6: Final answer
    x = 675,028.60

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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.