Home / 736,143.95-1,015,872.54-413,855.48

Finding the Fourth Proportional to 736,143.95, 1,015,872.54 and 413,855.48

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Solution

The fourth proportional to 736,143.95, 1,015,872.54 and 413,855.48 is: 571,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,143.95 : 1,015,872.54 = 413,855.48 : x
  2. Step 2: Convert to fraction form
    736,143.95/1,015,872.54 = 413,855.48/x
  3. Step 3: Cross multiply
    736,143.95x = 1,015,872.54 × 413,855.48
  4. Step 4: Simplify right side
    736,143.95x = 420,424,417,660.52
  5. Step 5: Solve for x
    x = 420,424,417,660.52/736,143.95
  6. Step 6: Final answer
    x = 571,117.13

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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.