Home / 578,048.70-867,073.05-554,429.10

Finding the Fourth Proportional to 578,048.70, 867,073.05 and 554,429.10

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Solution

The fourth proportional to 578,048.70, 867,073.05 and 554,429.10 is: 831,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,048.70 : 867,073.05 = 554,429.10 : x
  2. Step 2: Convert to fraction form
    578,048.70/867,073.05 = 554,429.10/x
  3. Step 3: Cross multiply
    578,048.70x = 867,073.05 × 554,429.10
  4. Step 4: Simplify right side
    578,048.70x = 480,730,530,745.76
  5. Step 5: Solve for x
    x = 480,730,530,745.76/578,048.70
  6. Step 6: Final answer
    x = 831,643.65

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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.