Home / 770,379.18-1,063,113.84-426,240.18

Finding the Fourth Proportional to 770,379.18, 1,063,113.84 and 426,240.18

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Solution

The fourth proportional to 770,379.18, 1,063,113.84 and 426,240.18 is: 588,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,379.18 : 1,063,113.84 = 426,240.18 : x
  2. Step 2: Convert to fraction form
    770,379.18/1,063,113.84 = 426,240.18/x
  3. Step 3: Cross multiply
    770,379.18x = 1,063,113.84 × 426,240.18
  4. Step 4: Simplify right side
    770,379.18x = 453,141,834,522.09
  5. Step 5: Solve for x
    x = 453,141,834,522.09/770,379.18
  6. Step 6: Final answer
    x = 588,206.23

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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.