Home / 839,931.18-1,159,203.42-477,409.50

Finding the Fourth Proportional to 839,931.18, 1,159,203.42 and 477,409.50

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Solution

The fourth proportional to 839,931.18, 1,159,203.42 and 477,409.50 is: 658,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,931.18 : 1,159,203.42 = 477,409.50 : x
  2. Step 2: Convert to fraction form
    839,931.18/1,159,203.42 = 477,409.50/x
  3. Step 3: Cross multiply
    839,931.18x = 1,159,203.42 × 477,409.50
  4. Step 4: Simplify right side
    839,931.18x = 553,414,725,140.49
  5. Step 5: Solve for x
    x = 553,414,725,140.49/839,931.18
  6. Step 6: Final answer
    x = 658,881.03

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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.