Home / 890,322.71-1,335,472.45-216,402.10

Finding the Fourth Proportional to 890,322.71, 1,335,472.45 and 216,402.10

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Solution

The fourth proportional to 890,322.71, 1,335,472.45 and 216,402.10 is: 324,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,322.71 : 1,335,472.45 = 216,402.10 : x
  2. Step 2: Convert to fraction form
    890,322.71/1,335,472.45 = 216,402.10/x
  3. Step 3: Cross multiply
    890,322.71x = 1,335,472.45 × 216,402.10
  4. Step 4: Simplify right side
    890,322.71x = 288,999,038,792.46
  5. Step 5: Solve for x
    x = 288,999,038,792.46/890,322.71
  6. Step 6: Final answer
    x = 324,600.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.