Home / 480,055.51-719,580.32-223,676.68

Finding the Fourth Proportional to 480,055.51, 719,580.32 and 223,676.68

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Solution

The fourth proportional to 480,055.51, 719,580.32 and 223,676.68 is: 335,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,055.51 : 719,580.32 = 223,676.68 : x
  2. Step 2: Convert to fraction form
    480,055.51/719,580.32 = 223,676.68/x
  3. Step 3: Cross multiply
    480,055.51x = 719,580.32 × 223,676.68
  4. Step 4: Simplify right side
    480,055.51x = 160,953,335,402.82
  5. Step 5: Solve for x
    x = 160,953,335,402.82/480,055.51
  6. Step 6: Final answer
    x = 335,280.68

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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.