Home / 918,059.10-1,266,896.13-510,150.36

Finding the Fourth Proportional to 918,059.10, 1,266,896.13 and 510,150.36

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Solution

The fourth proportional to 918,059.10, 1,266,896.13 and 510,150.36 is: 703,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,059.10 : 1,266,896.13 = 510,150.36 : x
  2. Step 2: Convert to fraction form
    918,059.10/1,266,896.13 = 510,150.36/x
  3. Step 3: Cross multiply
    918,059.10x = 1,266,896.13 × 510,150.36
  4. Step 4: Simplify right side
    918,059.10x = 646,307,516,802.11
  5. Step 5: Solve for x
    x = 646,307,516,802.11/918,059.10
  6. Step 6: Final answer
    x = 703,993.37

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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.