Home / 743,346.02-1,025,811.86-403,816.70

Finding the Fourth Proportional to 743,346.02, 1,025,811.86 and 403,816.70

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Solution

The fourth proportional to 743,346.02, 1,025,811.86 and 403,816.70 is: 557,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,346.02 : 1,025,811.86 = 403,816.70 : x
  2. Step 2: Convert to fraction form
    743,346.02/1,025,811.86 = 403,816.70/x
  3. Step 3: Cross multiply
    743,346.02x = 1,025,811.86 × 403,816.70
  4. Step 4: Simplify right side
    743,346.02x = 414,239,960,126.06
  5. Step 5: Solve for x
    x = 414,239,960,126.06/743,346.02
  6. Step 6: Final answer
    x = 557,263.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.