Home / 710,140.84-979,979.17-387,852.24

Finding the Fourth Proportional to 710,140.84, 979,979.17 and 387,852.24

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Solution

The fourth proportional to 710,140.84, 979,979.17 and 387,852.24 is: 535,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,140.84 : 979,979.17 = 387,852.24 : x
  2. Step 2: Convert to fraction form
    710,140.84/979,979.17 = 387,852.24/x
  3. Step 3: Cross multiply
    710,140.84x = 979,979.17 × 387,852.24
  4. Step 4: Simplify right side
    710,140.84x = 380,087,116,237.84
  5. Step 5: Solve for x
    x = 380,087,116,237.84/710,140.84
  6. Step 6: Final answer
    x = 535,227.80

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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.