Home / 897,377.61-1,238,384.98-489,488.22

Finding the Fourth Proportional to 897,377.61, 1,238,384.98 and 489,488.22

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Solution

The fourth proportional to 897,377.61, 1,238,384.98 and 489,488.22 is: 675,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,377.61 : 1,238,384.98 = 489,488.22 : x
  2. Step 2: Convert to fraction form
    897,377.61/1,238,384.98 = 489,488.22/x
  3. Step 3: Cross multiply
    897,377.61x = 1,238,384.98 × 489,488.22
  4. Step 4: Simplify right side
    897,377.61x = 606,174,859,534.94
  5. Step 5: Solve for x
    x = 606,174,859,534.94/897,377.61
  6. Step 6: Final answer
    x = 675,495.86

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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.