Home / 964,180.12-1,330,428.72-534,460

Finding the Fourth Proportional to 964,180.12, 1,330,428.72 and 534,460

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Solution

The fourth proportional to 964,180.12, 1,330,428.72 and 534,460 is: 737,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,180.12 : 1,330,428.72 = 534,460 : x
  2. Step 2: Convert to fraction form
    964,180.12/1,330,428.72 = 534,460/x
  3. Step 3: Cross multiply
    964,180.12x = 1,330,428.72 × 534,460
  4. Step 4: Simplify right side
    964,180.12x = 711,060,933,691.20
  5. Step 5: Solve for x
    x = 711,060,933,691.20/964,180.12
  6. Step 6: Final answer
    x = 737,477.28

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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.