Home / 534,420-737,485.04-304,973.12

Finding the Fourth Proportional to 534,420, 737,485.04 and 304,973.12

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Solution

The fourth proportional to 534,420, 737,485.04 and 304,973.12 is: 420,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,420 : 737,485.04 = 304,973.12 : x
  2. Step 2: Convert to fraction form
    534,420/737,485.04 = 304,973.12/x
  3. Step 3: Cross multiply
    534,420x = 737,485.04 × 304,973.12
  4. Step 4: Simplify right side
    534,420x = 224,913,113,602.13
  5. Step 5: Solve for x
    x = 224,913,113,602.13/534,420
  6. Step 6: Final answer
    x = 420,854.60

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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.