Home / 797,432.76-1,100,483.78-434,876.40

Finding the Fourth Proportional to 797,432.76, 1,100,483.78 and 434,876.40

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Solution

The fourth proportional to 797,432.76, 1,100,483.78 and 434,876.40 is: 600,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,432.76 : 1,100,483.78 = 434,876.40 : x
  2. Step 2: Convert to fraction form
    797,432.76/1,100,483.78 = 434,876.40/x
  3. Step 3: Cross multiply
    797,432.76x = 1,100,483.78 × 434,876.40
  4. Step 4: Simplify right side
    797,432.76x = 478,574,422,330.41
  5. Step 5: Solve for x
    x = 478,574,422,330.41/797,432.76
  6. Step 6: Final answer
    x = 600,143.92

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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.