Home / 546,529.80-819,928.06-209,564.40

Finding the Fourth Proportional to 546,529.80, 819,928.06 and 209,564.40

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Solution

The fourth proportional to 546,529.80, 819,928.06 and 209,564.40 is: 314,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,529.80 : 819,928.06 = 209,564.40 : x
  2. Step 2: Convert to fraction form
    546,529.80/819,928.06 = 209,564.40/x
  3. Step 3: Cross multiply
    546,529.80x = 819,928.06 × 209,564.40
  4. Step 4: Simplify right side
    546,529.80x = 171,827,731,937.06
  5. Step 5: Solve for x
    x = 171,827,731,937.06/546,529.80
  6. Step 6: Final answer
    x = 314,397.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.