Home / 817,423.84-1,226,250.72-284,868.40

Finding the Fourth Proportional to 817,423.84, 1,226,250.72 and 284,868.40

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Solution

The fourth proportional to 817,423.84, 1,226,250.72 and 284,868.40 is: 427,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,423.84 : 1,226,250.72 = 284,868.40 : x
  2. Step 2: Convert to fraction form
    817,423.84/1,226,250.72 = 284,868.40/x
  3. Step 3: Cross multiply
    817,423.84x = 1,226,250.72 × 284,868.40
  4. Step 4: Simplify right side
    817,423.84x = 349,320,080,605.25
  5. Step 5: Solve for x
    x = 349,320,080,605.25/817,423.84
  6. Step 6: Final answer
    x = 427,342.66

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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.