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Finding the Fourth Proportional to 662,085.90, 993,258.45 and 283,005.90

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Solution

The fourth proportional to 662,085.90, 993,258.45 and 283,005.90 is: 424,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,085.90 : 993,258.45 = 283,005.90 : x
  2. Step 2: Convert to fraction form
    662,085.90/993,258.45 = 283,005.90/x
  3. Step 3: Cross multiply
    662,085.90x = 993,258.45 × 283,005.90
  4. Step 4: Simplify right side
    662,085.90x = 281,098,001,574.86
  5. Step 5: Solve for x
    x = 281,098,001,574.86/662,085.90
  6. Step 6: Final answer
    x = 424,564.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.