Home / 747,303.36-1,031,303.52-407,790.24

Finding the Fourth Proportional to 747,303.36, 1,031,303.52 and 407,790.24

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Solution

The fourth proportional to 747,303.36, 1,031,303.52 and 407,790.24 is: 562,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,303.36 : 1,031,303.52 = 407,790.24 : x
  2. Step 2: Convert to fraction form
    747,303.36/1,031,303.52 = 407,790.24/x
  3. Step 3: Cross multiply
    747,303.36x = 1,031,303.52 × 407,790.24
  4. Step 4: Simplify right side
    747,303.36x = 420,555,509,933.65
  5. Step 5: Solve for x
    x = 420,555,509,933.65/747,303.36
  6. Step 6: Final answer
    x = 562,764.11

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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.