Home / 840,549.84-1,159,953.28-477,973.72

Finding the Fourth Proportional to 840,549.84, 1,159,953.28 and 477,973.72

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Solution

The fourth proportional to 840,549.84, 1,159,953.28 and 477,973.72 is: 659,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,549.84 : 1,159,953.28 = 477,973.72 : x
  2. Step 2: Convert to fraction form
    840,549.84/1,159,953.28 = 477,973.72/x
  3. Step 3: Cross multiply
    840,549.84x = 1,159,953.28 × 477,973.72
  4. Step 4: Simplify right side
    840,549.84x = 554,427,184,267.80
  5. Step 5: Solve for x
    x = 554,427,184,267.80/840,549.84
  6. Step 6: Final answer
    x = 659,600.61

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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.