Home / 775,445.92-1,070,044.77-448,702.45

Finding the Fourth Proportional to 775,445.92, 1,070,044.77 and 448,702.45

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Solution

The fourth proportional to 775,445.92, 1,070,044.77 and 448,702.45 is: 619,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,445.92 : 1,070,044.77 = 448,702.45 : x
  2. Step 2: Convert to fraction form
    775,445.92/1,070,044.77 = 448,702.45/x
  3. Step 3: Cross multiply
    775,445.92x = 1,070,044.77 × 448,702.45
  4. Step 4: Simplify right side
    775,445.92x = 480,131,709,908.69
  5. Step 5: Solve for x
    x = 480,131,709,908.69/775,445.92
  6. Step 6: Final answer
    x = 619,168.53

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1.5x scale

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.