Home / 808,701.40-1,213,052.10-729,969.40

Finding the Fourth Proportional to 808,701.40, 1,213,052.10 and 729,969.40

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Solution

The fourth proportional to 808,701.40, 1,213,052.10 and 729,969.40 is: 1,094,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,701.40 : 1,213,052.10 = 729,969.40 : x
  2. Step 2: Convert to fraction form
    808,701.40/1,213,052.10 = 729,969.40/x
  3. Step 3: Cross multiply
    808,701.40x = 1,213,052.10 × 729,969.40
  4. Step 4: Simplify right side
    808,701.40x = 885,490,913,605.74
  5. Step 5: Solve for x
    x = 885,490,913,605.74/808,701.40
  6. Step 6: Final answer
    x = 1,094,954.10

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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.