Home / 462,280.80-637,961.12-258,332.20

Finding the Fourth Proportional to 462,280.80, 637,961.12 and 258,332.20

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Solution

The fourth proportional to 462,280.80, 637,961.12 and 258,332.20 is: 356,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,280.80 : 637,961.12 = 258,332.20 : x
  2. Step 2: Convert to fraction form
    462,280.80/637,961.12 = 258,332.20/x
  3. Step 3: Cross multiply
    462,280.80x = 637,961.12 × 258,332.20
  4. Step 4: Simplify right side
    462,280.80x = 164,805,901,908.93
  5. Step 5: Solve for x
    x = 164,805,901,908.93/462,280.80
  6. Step 6: Final answer
    x = 356,506.05

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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.