Home / 890,163.06-1,335,411.93-357,726.30

Finding the Fourth Proportional to 890,163.06, 1,335,411.93 and 357,726.30

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Solution

The fourth proportional to 890,163.06, 1,335,411.93 and 357,726.30 is: 536,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,163.06 : 1,335,411.93 = 357,726.30 : x
  2. Step 2: Convert to fraction form
    890,163.06/1,335,411.93 = 357,726.30/x
  3. Step 3: Cross multiply
    890,163.06x = 1,335,411.93 × 357,726.30
  4. Step 4: Simplify right side
    890,163.06x = 477,711,968,694.76
  5. Step 5: Solve for x
    x = 477,711,968,694.76/890,163.06
  6. Step 6: Final answer
    x = 536,656.70

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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.