Home / 890,541.80-1,335,812.70-607,106.60

Finding the Fourth Proportional to 890,541.80, 1,335,812.70 and 607,106.60

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Solution

The fourth proportional to 890,541.80, 1,335,812.70 and 607,106.60 is: 910,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,541.80 : 1,335,812.70 = 607,106.60 : x
  2. Step 2: Convert to fraction form
    890,541.80/1,335,812.70 = 607,106.60/x
  3. Step 3: Cross multiply
    890,541.80x = 1,335,812.70 × 607,106.60
  4. Step 4: Simplify right side
    890,541.80x = 810,980,706,533.82
  5. Step 5: Solve for x
    x = 810,980,706,533.82/890,541.80
  6. Step 6: Final answer
    x = 910,659.90

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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.