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Finding the Fourth Proportional to 671,295.47, 926,717.76 and 525,842.21

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Solution

The fourth proportional to 671,295.47, 926,717.76 and 525,842.21 is: 725,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,295.47 : 926,717.76 = 525,842.21 : x
  2. Step 2: Convert to fraction form
    671,295.47/926,717.76 = 525,842.21/x
  3. Step 3: Cross multiply
    671,295.47x = 926,717.76 × 525,842.21
  4. Step 4: Simplify right side
    671,295.47x = 487,307,317,281.44
  5. Step 5: Solve for x
    x = 487,307,317,281.44/671,295.47
  6. Step 6: Final answer
    x = 725,920.76

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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.