Home / 768,631.14-1,060,721.46-424,490.28

Finding the Fourth Proportional to 768,631.14, 1,060,721.46 and 424,490.28

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Solution

The fourth proportional to 768,631.14, 1,060,721.46 and 424,490.28 is: 585,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,631.14 : 1,060,721.46 = 424,490.28 : x
  2. Step 2: Convert to fraction form
    768,631.14/1,060,721.46 = 424,490.28/x
  3. Step 3: Cross multiply
    768,631.14x = 1,060,721.46 × 424,490.28
  4. Step 4: Simplify right side
    768,631.14x = 450,265,949,557.41
  5. Step 5: Solve for x
    x = 450,265,949,557.41/768,631.14
  6. Step 6: Final answer
    x = 585,802.38

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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.