Home / 740,435.40-1,111,965.30-572,364.45

Finding the Fourth Proportional to 740,435.40, 1,111,965.30 and 572,364.45

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Solution

The fourth proportional to 740,435.40, 1,111,965.30 and 572,364.45 is: 859,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,435.40 : 1,111,965.30 = 572,364.45 : x
  2. Step 2: Convert to fraction form
    740,435.40/1,111,965.30 = 572,364.45/x
  3. Step 3: Cross multiply
    740,435.40x = 1,111,965.30 × 572,364.45
  4. Step 4: Simplify right side
    740,435.40x = 636,449,407,353.59
  5. Step 5: Solve for x
    x = 636,449,407,353.59/740,435.40
  6. Step 6: Final answer
    x = 859,561.02

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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.