Home / 831,301.07-1,247,418.59-452,248.26

Finding the Fourth Proportional to 831,301.07, 1,247,418.59 and 452,248.26

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Solution

The fourth proportional to 831,301.07, 1,247,418.59 and 452,248.26 is: 678,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,301.07 : 1,247,418.59 = 452,248.26 : x
  2. Step 2: Convert to fraction form
    831,301.07/1,247,418.59 = 452,248.26/x
  3. Step 3: Cross multiply
    831,301.07x = 1,247,418.59 × 452,248.26
  4. Step 4: Simplify right side
    831,301.07x = 564,142,884,557.91
  5. Step 5: Solve for x
    x = 564,142,884,557.91/831,301.07
  6. Step 6: Final answer
    x = 678,626.44

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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.