Home / 724,891.40-1,087,482.90-607,376.60

Finding the Fourth Proportional to 724,891.40, 1,087,482.90 and 607,376.60

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Solution

The fourth proportional to 724,891.40, 1,087,482.90 and 607,376.60 is: 911,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,891.40 : 1,087,482.90 = 607,376.60 : x
  2. Step 2: Convert to fraction form
    724,891.40/1,087,482.90 = 607,376.60/x
  3. Step 3: Cross multiply
    724,891.40x = 1,087,482.90 × 607,376.60
  4. Step 4: Simplify right side
    724,891.40x = 660,511,666,360.14
  5. Step 5: Solve for x
    x = 660,511,666,360.14/724,891.40
  6. Step 6: Final answer
    x = 911,187.06

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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.