Home / 803,349.60-1,108,622.34-459,192.90

Finding the Fourth Proportional to 803,349.60, 1,108,622.34 and 459,192.90

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Solution

The fourth proportional to 803,349.60, 1,108,622.34 and 459,192.90 is: 633,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,349.60 : 1,108,622.34 = 459,192.90 : x
  2. Step 2: Convert to fraction form
    803,349.60/1,108,622.34 = 459,192.90/x
  3. Step 3: Cross multiply
    803,349.60x = 1,108,622.34 × 459,192.90
  4. Step 4: Simplify right side
    803,349.60x = 509,071,507,309.39
  5. Step 5: Solve for x
    x = 509,071,507,309.39/803,349.60
  6. Step 6: Final answer
    x = 633,686.14

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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.