Home / 839,386.40-1,258,709.22-240,211.17

Finding the Fourth Proportional to 839,386.40, 1,258,709.22 and 240,211.17

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Solution

The fourth proportional to 839,386.40, 1,258,709.22 and 240,211.17 is: 360,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,386.40 : 1,258,709.22 = 240,211.17 : x
  2. Step 2: Convert to fraction form
    839,386.40/1,258,709.22 = 240,211.17/x
  3. Step 3: Cross multiply
    839,386.40x = 1,258,709.22 × 240,211.17
  4. Step 4: Simplify right side
    839,386.40x = 302,356,014,425.99
  5. Step 5: Solve for x
    x = 302,356,014,425.99/839,386.40
  6. Step 6: Final answer
    x = 360,210.76

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Double scale
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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.