Home / 927,712.42-1,281,023.32-697,871.32

Finding the Fourth Proportional to 927,712.42, 1,281,023.32 and 697,871.32

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Solution

The fourth proportional to 927,712.42, 1,281,023.32 and 697,871.32 is: 963,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,712.42 : 1,281,023.32 = 697,871.32 : x
  2. Step 2: Convert to fraction form
    927,712.42/1,281,023.32 = 697,871.32/x
  3. Step 3: Cross multiply
    927,712.42x = 1,281,023.32 × 697,871.32
  4. Step 4: Simplify right side
    927,712.42x = 893,989,435,279.18
  5. Step 5: Solve for x
    x = 893,989,435,279.18/927,712.42
  6. Step 6: Final answer
    x = 963,649.31

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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.