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Finding the Fourth Proportional to 652,673.50, 900,746.43 and 380,828.98

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Solution

The fourth proportional to 652,673.50, 900,746.43 and 380,828.98 is: 525,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,673.50 : 900,746.43 = 380,828.98 : x
  2. Step 2: Convert to fraction form
    652,673.50/900,746.43 = 380,828.98/x
  3. Step 3: Cross multiply
    652,673.50x = 900,746.43 × 380,828.98
  4. Step 4: Simplify right side
    652,673.50x = 343,030,344,175.54
  5. Step 5: Solve for x
    x = 343,030,344,175.54/652,673.50
  6. Step 6: Final answer
    x = 525,577.25

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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.