Home / 897,098.99-1,238,026.49-489,223.15

Finding the Fourth Proportional to 897,098.99, 1,238,026.49 and 489,223.15

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Solution

The fourth proportional to 897,098.99, 1,238,026.49 and 489,223.15 is: 675,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,098.99 : 1,238,026.49 = 489,223.15 : x
  2. Step 2: Convert to fraction form
    897,098.99/1,238,026.49 = 489,223.15/x
  3. Step 3: Cross multiply
    897,098.99x = 1,238,026.49 × 489,223.15
  4. Step 4: Simplify right side
    897,098.99x = 605,671,216,775.13
  5. Step 5: Solve for x
    x = 605,671,216,775.13/897,098.99
  6. Step 6: Final answer
    x = 675,144.24

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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.