Home / 551,056.16-760,569.38-318,492.98

Finding the Fourth Proportional to 551,056.16, 760,569.38 and 318,492.98

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Solution

The fourth proportional to 551,056.16, 760,569.38 and 318,492.98 is: 439,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,056.16 : 760,569.38 = 318,492.98 : x
  2. Step 2: Convert to fraction form
    551,056.16/760,569.38 = 318,492.98/x
  3. Step 3: Cross multiply
    551,056.16x = 760,569.38 × 318,492.98
  4. Step 4: Simplify right side
    551,056.16x = 242,236,008,178.47
  5. Step 5: Solve for x
    x = 242,236,008,178.47/551,056.16
  6. Step 6: Final answer
    x = 439,584.97

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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.