Home / 389,023.80-537,007.44-334,359.60

Finding the Fourth Proportional to 389,023.80, 537,007.44 and 334,359.60

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Solution

The fourth proportional to 389,023.80, 537,007.44 and 334,359.60 is: 461,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,023.80 : 537,007.44 = 334,359.60 : x
  2. Step 2: Convert to fraction form
    389,023.80/537,007.44 = 334,359.60/x
  3. Step 3: Cross multiply
    389,023.80x = 537,007.44 × 334,359.60
  4. Step 4: Simplify right side
    389,023.80x = 179,553,592,835.42
  5. Step 5: Solve for x
    x = 179,553,592,835.42/389,023.80
  6. Step 6: Final answer
    x = 461,549.12

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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.