Home / 743,728.02-1,025,994.09-539,330.55

Finding the Fourth Proportional to 743,728.02, 1,025,994.09 and 539,330.55

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Solution

The fourth proportional to 743,728.02, 1,025,994.09 and 539,330.55 is: 744,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,728.02 : 1,025,994.09 = 539,330.55 : x
  2. Step 2: Convert to fraction form
    743,728.02/1,025,994.09 = 539,330.55/x
  3. Step 3: Cross multiply
    743,728.02x = 1,025,994.09 × 539,330.55
  4. Step 4: Simplify right side
    743,728.02x = 553,349,956,856.45
  5. Step 5: Solve for x
    x = 553,349,956,856.45/743,728.02
  6. Step 6: Final answer
    x = 744,021.93

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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.