Home / 897,351.18-1,238,348.48-489,461.77

Finding the Fourth Proportional to 897,351.18, 1,238,348.48 and 489,461.77

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Solution

The fourth proportional to 897,351.18, 1,238,348.48 and 489,461.77 is: 675,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,351.18 : 1,238,348.48 = 489,461.77 : x
  2. Step 2: Convert to fraction form
    897,351.18/1,238,348.48 = 489,461.77/x
  3. Step 3: Cross multiply
    897,351.18x = 1,238,348.48 × 489,461.77
  4. Step 4: Simplify right side
    897,351.18x = 606,124,238,897.61
  5. Step 5: Solve for x
    x = 606,124,238,897.61/897,351.18
  6. Step 6: Final answer
    x = 675,459.34

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Double scale
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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.