Home / 858,328.95-1,184,497.21-476,355.73

Finding the Fourth Proportional to 858,328.95, 1,184,497.21 and 476,355.73

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Solution

The fourth proportional to 858,328.95, 1,184,497.21 and 476,355.73 is: 657,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,328.95 : 1,184,497.21 = 476,355.73 : x
  2. Step 2: Convert to fraction form
    858,328.95/1,184,497.21 = 476,355.73/x
  3. Step 3: Cross multiply
    858,328.95x = 1,184,497.21 × 476,355.73
  4. Step 4: Simplify right side
    858,328.95x = 564,242,030,770.74
  5. Step 5: Solve for x
    x = 564,242,030,770.74/858,328.95
  6. Step 6: Final answer
    x = 657,372.71

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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.