Home / 839,545.50-1,259,317.92-208,459.32

Finding the Fourth Proportional to 839,545.50, 1,259,317.92 and 208,459.32

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Solution

The fourth proportional to 839,545.50, 1,259,317.92 and 208,459.32 is: 312,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,545.50 : 1,259,317.92 = 208,459.32 : x
  2. Step 2: Convert to fraction form
    839,545.50/1,259,317.92 = 208,459.32/x
  3. Step 3: Cross multiply
    839,545.50x = 1,259,317.92 × 208,459.32
  4. Step 4: Simplify right side
    839,545.50x = 262,516,557,267.01
  5. Step 5: Solve for x
    x = 262,516,557,267.01/839,545.50
  6. Step 6: Final answer
    x = 312,688.90

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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.