Home / 554,809.15-831,477.97-284,926.40

Finding the Fourth Proportional to 554,809.15, 831,477.97 and 284,926.40

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Solution

The fourth proportional to 554,809.15, 831,477.97 and 284,926.40 is: 427,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,809.15 : 831,477.97 = 284,926.40 : x
  2. Step 2: Convert to fraction form
    554,809.15/831,477.97 = 284,926.40/x
  3. Step 3: Cross multiply
    554,809.15x = 831,477.97 × 284,926.40
  4. Step 4: Simplify right side
    554,809.15x = 236,910,024,671.41
  5. Step 5: Solve for x
    x = 236,910,024,671.41/554,809.15
  6. Step 6: Final answer
    x = 427,011.75

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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.