Home / 890,981.83-1,335,468.75-442,024.48

Finding the Fourth Proportional to 890,981.83, 1,335,468.75 and 442,024.48

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Solution

The fourth proportional to 890,981.83, 1,335,468.75 and 442,024.48 is: 662,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,981.83 : 1,335,468.75 = 442,024.48 : x
  2. Step 2: Convert to fraction form
    890,981.83/1,335,468.75 = 442,024.48/x
  3. Step 3: Cross multiply
    890,981.83x = 1,335,468.75 × 442,024.48
  4. Step 4: Simplify right side
    890,981.83x = 590,309,879,775
  5. Step 5: Solve for x
    x = 590,309,879,775/890,981.83
  6. Step 6: Final answer
    x = 662,538.63

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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.