Home / 770,477.15-1,063,238.01-426,304.10

Finding the Fourth Proportional to 770,477.15, 1,063,238.01 and 426,304.10

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Solution

The fourth proportional to 770,477.15, 1,063,238.01 and 426,304.10 is: 588,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,477.15 : 1,063,238.01 = 426,304.10 : x
  2. Step 2: Convert to fraction form
    770,477.15/1,063,238.01 = 426,304.10/x
  3. Step 3: Cross multiply
    770,477.15x = 1,063,238.01 × 426,304.10
  4. Step 4: Simplify right side
    770,477.15x = 453,262,722,938.84
  5. Step 5: Solve for x
    x = 453,262,722,938.84/770,477.15
  6. Step 6: Final answer
    x = 588,288.34

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Double scale
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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.