Home / 890,098.14-1,334,832.93-384,638.70

Finding the Fourth Proportional to 890,098.14, 1,334,832.93 and 384,638.70

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Solution

The fourth proportional to 890,098.14, 1,334,832.93 and 384,638.70 is: 576,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,098.14 : 1,334,832.93 = 384,638.70 : x
  2. Step 2: Convert to fraction form
    890,098.14/1,334,832.93 = 384,638.70/x
  3. Step 3: Cross multiply
    890,098.14x = 1,334,832.93 × 384,638.70
  4. Step 4: Simplify right side
    890,098.14x = 513,428,402,912.39
  5. Step 5: Solve for x
    x = 513,428,402,912.39/890,098.14
  6. Step 6: Final answer
    x = 576,822.24

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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.