Home / 723,518.40-1,085,277.60-692,803.20

Finding the Fourth Proportional to 723,518.40, 1,085,277.60 and 692,803.20

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Solution

The fourth proportional to 723,518.40, 1,085,277.60 and 692,803.20 is: 1,039,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,518.40 : 1,085,277.60 = 692,803.20 : x
  2. Step 2: Convert to fraction form
    723,518.40/1,085,277.60 = 692,803.20/x
  3. Step 3: Cross multiply
    723,518.40x = 1,085,277.60 × 692,803.20
  4. Step 4: Simplify right side
    723,518.40x = 751,883,794,168.32
  5. Step 5: Solve for x
    x = 751,883,794,168.32/723,518.40
  6. Step 6: Final answer
    x = 1,039,204.80

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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.