Home / 849,303.08-1,172,003.09-462,120.11

Finding the Fourth Proportional to 849,303.08, 1,172,003.09 and 462,120.11

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Solution

The fourth proportional to 849,303.08, 1,172,003.09 and 462,120.11 is: 637,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,303.08 : 1,172,003.09 = 462,120.11 : x
  2. Step 2: Convert to fraction form
    849,303.08/1,172,003.09 = 462,120.11/x
  3. Step 3: Cross multiply
    849,303.08x = 1,172,003.09 × 462,120.11
  4. Step 4: Simplify right side
    849,303.08x = 541,606,196,871.14
  5. Step 5: Solve for x
    x = 541,606,196,871.14/849,303.08
  6. Step 6: Final answer
    x = 637,706.62

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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.