Home / 768,473.04-1,060,490.16-428,938.32

Finding the Fourth Proportional to 768,473.04, 1,060,490.16 and 428,938.32

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Solution

The fourth proportional to 768,473.04, 1,060,490.16 and 428,938.32 is: 591,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,473.04 : 1,060,490.16 = 428,938.32 : x
  2. Step 2: Convert to fraction form
    768,473.04/1,060,490.16 = 428,938.32/x
  3. Step 3: Cross multiply
    768,473.04x = 1,060,490.16 × 428,938.32
  4. Step 4: Simplify right side
    768,473.04x = 454,884,867,606.93
  5. Step 5: Solve for x
    x = 454,884,867,606.93/768,473.04
  6. Step 6: Final answer
    x = 591,933.41

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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.