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Finding the Fourth Proportional to 875,095, 1,207,631.58 and 472,687

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Solution

The fourth proportional to 875,095, 1,207,631.58 and 472,687 is: 652,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,095 : 1,207,631.58 = 472,687 : x
  2. Step 2: Convert to fraction form
    875,095/1,207,631.58 = 472,687/x
  3. Step 3: Cross multiply
    875,095x = 1,207,631.58 × 472,687
  4. Step 4: Simplify right side
    875,095x = 570,831,748,655.46
  5. Step 5: Solve for x
    x = 570,831,748,655.46/875,095
  6. Step 6: Final answer
    x = 652,308.32

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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.