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Finding the Fourth Proportional to 480,090.16, 720,587.22 and 243,602.56

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Solution

The fourth proportional to 480,090.16, 720,587.22 and 243,602.56 is: 365,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,090.16 : 720,587.22 = 243,602.56 : x
  2. Step 2: Convert to fraction form
    480,090.16/720,587.22 = 243,602.56/x
  3. Step 3: Cross multiply
    480,090.16x = 720,587.22 × 243,602.56
  4. Step 4: Simplify right side
    480,090.16x = 175,536,891,495.28
  5. Step 5: Solve for x
    x = 175,536,891,495.28/480,090.16
  6. Step 6: Final answer
    x = 365,633.18

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1.5x scale

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.