Home / 578,483.07-868,284.33-279,174.35

Finding the Fourth Proportional to 578,483.07, 868,284.33 and 279,174.35

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Solution

The fourth proportional to 578,483.07, 868,284.33 and 279,174.35 is: 419,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,483.07 : 868,284.33 = 279,174.35 : x
  2. Step 2: Convert to fraction form
    578,483.07/868,284.33 = 279,174.35/x
  3. Step 3: Cross multiply
    578,483.07x = 868,284.33 × 279,174.35
  4. Step 4: Simplify right side
    578,483.07x = 242,402,712,038.18
  5. Step 5: Solve for x
    x = 242,402,712,038.18/578,483.07
  6. Step 6: Final answer
    x = 419,031.65

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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.