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Finding the Fourth Proportional to 652,458.19, 900,390.46 and 362,113.59

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Solution

The fourth proportional to 652,458.19, 900,390.46 and 362,113.59 is: 499,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,458.19 : 900,390.46 = 362,113.59 : x
  2. Step 2: Convert to fraction form
    652,458.19/900,390.46 = 362,113.59/x
  3. Step 3: Cross multiply
    652,458.19x = 900,390.46 × 362,113.59
  4. Step 4: Simplify right side
    652,458.19x = 326,043,620,967.07
  5. Step 5: Solve for x
    x = 326,043,620,967.07/652,458.19
  6. Step 6: Final answer
    x = 499,715.73

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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.