Home / 436,905.28-602,890.84-243,298.36

Finding the Fourth Proportional to 436,905.28, 602,890.84 and 243,298.36

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Solution

The fourth proportional to 436,905.28, 602,890.84 and 243,298.36 is: 335,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,905.28 : 602,890.84 = 243,298.36 : x
  2. Step 2: Convert to fraction form
    436,905.28/602,890.84 = 243,298.36/x
  3. Step 3: Cross multiply
    436,905.28x = 602,890.84 × 243,298.36
  4. Step 4: Simplify right side
    436,905.28x = 146,682,348,400.08
  5. Step 5: Solve for x
    x = 146,682,348,400.08/436,905.28
  6. Step 6: Final answer
    x = 335,730.32

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1.5x scale

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.