Home / 947,119.14-1,421,239.20-348,500.67

Finding the Fourth Proportional to 947,119.14, 1,421,239.20 and 348,500.67

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Solution

The fourth proportional to 947,119.14, 1,421,239.20 and 348,500.67 is: 522,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,119.14 : 1,421,239.20 = 348,500.67 : x
  2. Step 2: Convert to fraction form
    947,119.14/1,421,239.20 = 348,500.67/x
  3. Step 3: Cross multiply
    947,119.14x = 1,421,239.20 × 348,500.67
  4. Step 4: Simplify right side
    947,119.14x = 495,302,813,430.26
  5. Step 5: Solve for x
    x = 495,302,813,430.26/947,119.14
  6. Step 6: Final answer
    x = 522,957.24

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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.