Home / 831,152.88-1,146,908.16-508,954.32

Finding the Fourth Proportional to 831,152.88, 1,146,908.16 and 508,954.32

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Solution

The fourth proportional to 831,152.88, 1,146,908.16 and 508,954.32 is: 702,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,152.88 : 1,146,908.16 = 508,954.32 : x
  2. Step 2: Convert to fraction form
    831,152.88/1,146,908.16 = 508,954.32/x
  3. Step 3: Cross multiply
    831,152.88x = 1,146,908.16 × 508,954.32
  4. Step 4: Simplify right side
    831,152.88x = 583,723,862,675.25
  5. Step 5: Solve for x
    x = 583,723,862,675.25/831,152.88
  6. Step 6: Final answer
    x = 702,306.25

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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.