Home / 897,381.32-1,238,400.76-489,483.04

Finding the Fourth Proportional to 897,381.32, 1,238,400.76 and 489,483.04

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Solution

The fourth proportional to 897,381.32, 1,238,400.76 and 489,483.04 is: 675,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,381.32 : 1,238,400.76 = 489,483.04 : x
  2. Step 2: Convert to fraction form
    897,381.32/1,238,400.76 = 489,483.04/x
  3. Step 3: Cross multiply
    897,381.32x = 1,238,400.76 × 489,483.04
  4. Step 4: Simplify right side
    897,381.32x = 606,176,168,743.11
  5. Step 5: Solve for x
    x = 606,176,168,743.11/897,381.32
  6. Step 6: Final answer
    x = 675,494.53

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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.