Home / 940,381.84-1,298,612.64-654,683.14

Finding the Fourth Proportional to 940,381.84, 1,298,612.64 and 654,683.14

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Solution

The fourth proportional to 940,381.84, 1,298,612.64 and 654,683.14 is: 904,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,381.84 : 1,298,612.64 = 654,683.14 : x
  2. Step 2: Convert to fraction form
    940,381.84/1,298,612.64 = 654,683.14/x
  3. Step 3: Cross multiply
    940,381.84x = 1,298,612.64 × 654,683.14
  4. Step 4: Simplify right side
    940,381.84x = 850,179,800,798.89
  5. Step 5: Solve for x
    x = 850,179,800,798.89/940,381.84
  6. Step 6: Final answer
    x = 904,079.35

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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.