Home / 820,688.49-1,132,569.27-514,777.82

Finding the Fourth Proportional to 820,688.49, 1,132,569.27 and 514,777.82

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Solution

The fourth proportional to 820,688.49, 1,132,569.27 and 514,777.82 is: 710,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,688.49 : 1,132,569.27 = 514,777.82 : x
  2. Step 2: Convert to fraction form
    820,688.49/1,132,569.27 = 514,777.82/x
  3. Step 3: Cross multiply
    820,688.49x = 1,132,569.27 × 514,777.82
  4. Step 4: Simplify right side
    820,688.49x = 583,021,534,146.75
  5. Step 5: Solve for x
    x = 583,021,534,146.75/820,688.49
  6. Step 6: Final answer
    x = 710,405.40

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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.