Home / 480,207.10-720,762.63-243,719.50

Finding the Fourth Proportional to 480,207.10, 720,762.63 and 243,719.50

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Solution

The fourth proportional to 480,207.10, 720,762.63 and 243,719.50 is: 365,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,207.10 : 720,762.63 = 243,719.50 : x
  2. Step 2: Convert to fraction form
    480,207.10/720,762.63 = 243,719.50/x
  3. Step 3: Cross multiply
    480,207.10x = 720,762.63 × 243,719.50
  4. Step 4: Simplify right side
    480,207.10x = 175,663,907,802.29
  5. Step 5: Solve for x
    x = 175,663,907,802.29/480,207.10
  6. Step 6: Final answer
    x = 365,808.64

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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.