Home / 531,749.34-733,822.84-290,031.92

Finding the Fourth Proportional to 531,749.34, 733,822.84 and 290,031.92

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Solution

The fourth proportional to 531,749.34, 733,822.84 and 290,031.92 is: 400,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,749.34 : 733,822.84 = 290,031.92 : x
  2. Step 2: Convert to fraction form
    531,749.34/733,822.84 = 290,031.92/x
  3. Step 3: Cross multiply
    531,749.34x = 733,822.84 × 290,031.92
  4. Step 4: Simplify right side
    531,749.34x = 212,832,047,225.05
  5. Step 5: Solve for x
    x = 212,832,047,225.05/531,749.34
  6. Step 6: Final answer
    x = 400,248.82

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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.