Home / 578,312.77-797,976.40-363,300.57

Finding the Fourth Proportional to 578,312.77, 797,976.40 and 363,300.57

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Solution

The fourth proportional to 578,312.77, 797,976.40 and 363,300.57 is: 501,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,312.77 : 797,976.40 = 363,300.57 : x
  2. Step 2: Convert to fraction form
    578,312.77/797,976.40 = 363,300.57/x
  3. Step 3: Cross multiply
    578,312.77x = 797,976.40 × 363,300.57
  4. Step 4: Simplify right side
    578,312.77x = 289,905,280,966.55
  5. Step 5: Solve for x
    x = 289,905,280,966.55/578,312.77
  6. Step 6: Final answer
    x = 501,294.97

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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.