Home / 823,130.40-1,234,929.36-262,208.16

Finding the Fourth Proportional to 823,130.40, 1,234,929.36 and 262,208.16

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Solution

The fourth proportional to 823,130.40, 1,234,929.36 and 262,208.16 is: 393,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,130.40 : 1,234,929.36 = 262,208.16 : x
  2. Step 2: Convert to fraction form
    823,130.40/1,234,929.36 = 262,208.16/x
  3. Step 3: Cross multiply
    823,130.40x = 1,234,929.36 × 262,208.16
  4. Step 4: Simplify right side
    823,130.40x = 323,808,555,215.58
  5. Step 5: Solve for x
    x = 323,808,555,215.58/823,130.40
  6. Step 6: Final answer
    x = 393,386.70

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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.