Home / 648,886.55-895,458.34-377,113.52

Finding the Fourth Proportional to 648,886.55, 895,458.34 and 377,113.52

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Solution

The fourth proportional to 648,886.55, 895,458.34 and 377,113.52 is: 520,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,886.55 : 895,458.34 = 377,113.52 : x
  2. Step 2: Convert to fraction form
    648,886.55/895,458.34 = 377,113.52/x
  3. Step 3: Cross multiply
    648,886.55x = 895,458.34 × 377,113.52
  4. Step 4: Simplify right side
    648,886.55x = 337,689,449,320.80
  5. Step 5: Solve for x
    x = 337,689,449,320.80/648,886.55
  6. Step 6: Final answer
    x = 520,413.70

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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.