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Finding the Fourth Proportional to 637,304.84, 879,491.76 and 365,417

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Solution

The fourth proportional to 637,304.84, 879,491.76 and 365,417 is: 504,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,304.84 : 879,491.76 = 365,417 : x
  2. Step 2: Convert to fraction form
    637,304.84/879,491.76 = 365,417/x
  3. Step 3: Cross multiply
    637,304.84x = 879,491.76 × 365,417
  4. Step 4: Simplify right side
    637,304.84x = 321,381,240,463.92
  5. Step 5: Solve for x
    x = 321,381,240,463.92/637,304.84
  6. Step 6: Final answer
    x = 504,281.81

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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.