Home / 890,449.42-1,335,735.70-357,970.82

Finding the Fourth Proportional to 890,449.42, 1,335,735.70 and 357,970.82

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Solution

The fourth proportional to 890,449.42, 1,335,735.70 and 357,970.82 is: 536,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,449.42 : 1,335,735.70 = 357,970.82 : x
  2. Step 2: Convert to fraction form
    890,449.42/1,335,735.70 = 357,970.82/x
  3. Step 3: Cross multiply
    890,449.42x = 1,335,735.70 × 357,970.82
  4. Step 4: Simplify right side
    890,449.42x = 478,154,403,832.27
  5. Step 5: Solve for x
    x = 478,154,403,832.27/890,449.42
  6. Step 6: Final answer
    x = 536,980.98

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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.