Home / 761,947.85-1,142,946-282,295.77

Finding the Fourth Proportional to 761,947.85, 1,142,946 and 282,295.77

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Solution

The fourth proportional to 761,947.85, 1,142,946 and 282,295.77 is: 423,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,947.85 : 1,142,946 = 282,295.77 : x
  2. Step 2: Convert to fraction form
    761,947.85/1,142,946 = 282,295.77/x
  3. Step 3: Cross multiply
    761,947.85x = 1,142,946 × 282,295.77
  4. Step 4: Simplify right side
    761,947.85x = 322,648,821,138.42
  5. Step 5: Solve for x
    x = 322,648,821,138.42/761,947.85
  6. Step 6: Final answer
    x = 423,452.63

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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.