Home / 635,710.04-876,890.74-377,411.68

Finding the Fourth Proportional to 635,710.04, 876,890.74 and 377,411.68

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Solution

The fourth proportional to 635,710.04, 876,890.74 and 377,411.68 is: 520,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,710.04 : 876,890.74 = 377,411.68 : x
  2. Step 2: Convert to fraction form
    635,710.04/876,890.74 = 377,411.68/x
  3. Step 3: Cross multiply
    635,710.04x = 876,890.74 × 377,411.68
  4. Step 4: Simplify right side
    635,710.04x = 330,948,807,359.84
  5. Step 5: Solve for x
    x = 330,948,807,359.84/635,710.04
  6. Step 6: Final answer
    x = 520,597.11

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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.