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Finding the Fourth Proportional to 900,368.24, 1,350,053.78 and 368,262.94

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Solution

The fourth proportional to 900,368.24, 1,350,053.78 and 368,262.94 is: 552,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,368.24 : 1,350,053.78 = 368,262.94 : x
  2. Step 2: Convert to fraction form
    900,368.24/1,350,053.78 = 368,262.94/x
  3. Step 3: Cross multiply
    900,368.24x = 1,350,053.78 × 368,262.94
  4. Step 4: Simplify right side
    900,368.24x = 497,174,774,180.91
  5. Step 5: Solve for x
    x = 497,174,774,180.91/900,368.24
  6. Step 6: Final answer
    x = 552,190.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.