Home / 648,683.98-895,178.55-354,333.95

Finding the Fourth Proportional to 648,683.98, 895,178.55 and 354,333.95

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Solution

The fourth proportional to 648,683.98, 895,178.55 and 354,333.95 is: 488,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,683.98 : 895,178.55 = 354,333.95 : x
  2. Step 2: Convert to fraction form
    648,683.98/895,178.55 = 354,333.95/x
  3. Step 3: Cross multiply
    648,683.98x = 895,178.55 × 354,333.95
  4. Step 4: Simplify right side
    648,683.98x = 317,192,149,268.86
  5. Step 5: Solve for x
    x = 317,192,149,268.86/648,683.98
  6. Step 6: Final answer
    x = 488,977.93

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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.