Home / 770,487.51-1,063,252.28-426,314.46

Finding the Fourth Proportional to 770,487.51, 1,063,252.28 and 426,314.46

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Solution

The fourth proportional to 770,487.51, 1,063,252.28 and 426,314.46 is: 588,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,487.51 : 1,063,252.28 = 426,314.46 : x
  2. Step 2: Convert to fraction form
    770,487.51/1,063,252.28 = 426,314.46/x
  3. Step 3: Cross multiply
    770,487.51x = 1,063,252.28 × 426,314.46
  4. Step 4: Simplify right side
    770,487.51x = 453,279,819,460.40
  5. Step 5: Solve for x
    x = 453,279,819,460.40/770,487.51
  6. Step 6: Final answer
    x = 588,302.62

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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.