Home / 840,053-1,159,302.30-477,492.14

Finding the Fourth Proportional to 840,053, 1,159,302.30 and 477,492.14

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Solution

The fourth proportional to 840,053, 1,159,302.30 and 477,492.14 is: 658,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,053 : 1,159,302.30 = 477,492.14 : x
  2. Step 2: Convert to fraction form
    840,053/1,159,302.30 = 477,492.14/x
  3. Step 3: Cross multiply
    840,053x = 1,159,302.30 × 477,492.14
  4. Step 4: Simplify right side
    840,053x = 553,557,736,133.92
  5. Step 5: Solve for x
    x = 553,557,736,133.92/840,053
  6. Step 6: Final answer
    x = 658,955.73

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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.