Home / 914,281.50-1,261,717.92-551,635.29

Finding the Fourth Proportional to 914,281.50, 1,261,717.92 and 551,635.29

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Solution

The fourth proportional to 914,281.50, 1,261,717.92 and 551,635.29 is: 761,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,281.50 : 1,261,717.92 = 551,635.29 : x
  2. Step 2: Convert to fraction form
    914,281.50/1,261,717.92 = 551,635.29/x
  3. Step 3: Cross multiply
    914,281.50x = 1,261,717.92 × 551,635.29
  4. Step 4: Simplify right side
    914,281.50x = 696,008,130,697.40
  5. Step 5: Solve for x
    x = 696,008,130,697.40/914,281.50
  6. Step 6: Final answer
    x = 761,262.40

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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.