Home / 947,299.24-1,307,108.10-565,303.24

Finding the Fourth Proportional to 947,299.24, 1,307,108.10 and 565,303.24

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Solution

The fourth proportional to 947,299.24, 1,307,108.10 and 565,303.24 is: 780,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,299.24 : 1,307,108.10 = 565,303.24 : x
  2. Step 2: Convert to fraction form
    947,299.24/1,307,108.10 = 565,303.24/x
  3. Step 3: Cross multiply
    947,299.24x = 1,307,108.10 × 565,303.24
  4. Step 4: Simplify right side
    947,299.24x = 738,912,443,960.24
  5. Step 5: Solve for x
    x = 738,912,443,960.24/947,299.24
  6. Step 6: Final answer
    x = 780,020.10

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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.