Home / 768,435.04-1,060,397.22-428,925.16

Finding the Fourth Proportional to 768,435.04, 1,060,397.22 and 428,925.16

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Solution

The fourth proportional to 768,435.04, 1,060,397.22 and 428,925.16 is: 591,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,435.04 : 1,060,397.22 = 428,925.16 : x
  2. Step 2: Convert to fraction form
    768,435.04/1,060,397.22 = 428,925.16/x
  3. Step 3: Cross multiply
    768,435.04x = 1,060,397.22 × 428,925.16
  4. Step 4: Simplify right side
    768,435.04x = 454,831,047,252.06
  5. Step 5: Solve for x
    x = 454,831,047,252.06/768,435.04
  6. Step 6: Final answer
    x = 591,892.64

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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.