Home / 634,469.72-875,623.55-348,045.14

Finding the Fourth Proportional to 634,469.72, 875,623.55 and 348,045.14

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Solution

The fourth proportional to 634,469.72, 875,623.55 and 348,045.14 is: 480,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,469.72 : 875,623.55 = 348,045.14 : x
  2. Step 2: Convert to fraction form
    634,469.72/875,623.55 = 348,045.14/x
  3. Step 3: Cross multiply
    634,469.72x = 875,623.55 × 348,045.14
  4. Step 4: Simplify right side
    634,469.72x = 304,756,521,495.88
  5. Step 5: Solve for x
    x = 304,756,521,495.88/634,469.72
  6. Step 6: Final answer
    x = 480,332.65

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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.