Home / 566,014.24-781,080.48-311,363.20

Finding the Fourth Proportional to 566,014.24, 781,080.48 and 311,363.20

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Solution

The fourth proportional to 566,014.24, 781,080.48 and 311,363.20 is: 429,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,014.24 : 781,080.48 = 311,363.20 : x
  2. Step 2: Convert to fraction form
    566,014.24/781,080.48 = 311,363.20/x
  3. Step 3: Cross multiply
    566,014.24x = 781,080.48 × 311,363.20
  4. Step 4: Simplify right side
    566,014.24x = 243,199,717,710.34
  5. Step 5: Solve for x
    x = 243,199,717,710.34/566,014.24
  6. Step 6: Final answer
    x = 429,670.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.