Home / 703,822.64-971,263.32-397,894.28

Finding the Fourth Proportional to 703,822.64, 971,263.32 and 397,894.28

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Solution

The fourth proportional to 703,822.64, 971,263.32 and 397,894.28 is: 549,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,822.64 : 971,263.32 = 397,894.28 : x
  2. Step 2: Convert to fraction form
    703,822.64/971,263.32 = 397,894.28/x
  3. Step 3: Cross multiply
    703,822.64x = 971,263.32 × 397,894.28
  4. Step 4: Simplify right side
    703,822.64x = 386,460,119,401.81
  5. Step 5: Solve for x
    x = 386,460,119,401.81/703,822.64
  6. Step 6: Final answer
    x = 549,087.37

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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.