Home / 875,473.06-1,313,800.47-342,928.03

Finding the Fourth Proportional to 875,473.06, 1,313,800.47 and 342,928.03

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Solution

The fourth proportional to 875,473.06, 1,313,800.47 and 342,928.03 is: 514,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,473.06 : 1,313,800.47 = 342,928.03 : x
  2. Step 2: Convert to fraction form
    875,473.06/1,313,800.47 = 342,928.03/x
  3. Step 3: Cross multiply
    875,473.06x = 1,313,800.47 × 342,928.03
  4. Step 4: Simplify right side
    875,473.06x = 450,539,006,990.17
  5. Step 5: Solve for x
    x = 450,539,006,990.17/875,473.06
  6. Step 6: Final answer
    x = 514,623.50

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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.