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Finding the Fourth Proportional to 527,609, 791,413.81 and 370,538.66

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Solution

The fourth proportional to 527,609, 791,413.81 and 370,538.66 is: 555,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,609 : 791,413.81 = 370,538.66 : x
  2. Step 2: Convert to fraction form
    527,609/791,413.81 = 370,538.66/x
  3. Step 3: Cross multiply
    527,609x = 791,413.81 × 370,538.66
  4. Step 4: Simplify right side
    527,609x = 293,249,412,662.90
  5. Step 5: Solve for x
    x = 293,249,412,662.90/527,609
  6. Step 6: Final answer
    x = 555,808.21

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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.