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Finding the Fourth Proportional to 647,794.76, 893,715.76 and 375,710.08

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Solution

The fourth proportional to 647,794.76, 893,715.76 and 375,710.08 is: 518,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,794.76 : 893,715.76 = 375,710.08 : x
  2. Step 2: Convert to fraction form
    647,794.76/893,715.76 = 375,710.08/x
  3. Step 3: Cross multiply
    647,794.76x = 893,715.76 × 375,710.08
  4. Step 4: Simplify right side
    647,794.76x = 335,778,019,686.86
  5. Step 5: Solve for x
    x = 335,778,019,686.86/647,794.76
  6. Step 6: Final answer
    x = 518,340.13

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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.