Home / 748,810.26-1,033,238.70-426,526.74

Finding the Fourth Proportional to 748,810.26, 1,033,238.70 and 426,526.74

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Solution

The fourth proportional to 748,810.26, 1,033,238.70 and 426,526.74 is: 588,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,810.26 : 1,033,238.70 = 426,526.74 : x
  2. Step 2: Convert to fraction form
    748,810.26/1,033,238.70 = 426,526.74/x
  3. Step 3: Cross multiply
    748,810.26x = 1,033,238.70 × 426,526.74
  4. Step 4: Simplify right side
    748,810.26x = 440,703,934,352.84
  5. Step 5: Solve for x
    x = 440,703,934,352.84/748,810.26
  6. Step 6: Final answer
    x = 588,538.86

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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.