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Finding the Fourth Proportional to 875,048, 1,207,567.06 and 472,640

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Solution

The fourth proportional to 875,048, 1,207,567.06 and 472,640 is: 652,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,048 : 1,207,567.06 = 472,640 : x
  2. Step 2: Convert to fraction form
    875,048/1,207,567.06 = 472,640/x
  3. Step 3: Cross multiply
    875,048x = 1,207,567.06 × 472,640
  4. Step 4: Simplify right side
    875,048x = 570,744,495,238.40
  5. Step 5: Solve for x
    x = 570,744,495,238.40/875,048
  6. Step 6: Final answer
    x = 652,243.64

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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.