Home / 862,045.57-1,189,537.73-480,107.89

Finding the Fourth Proportional to 862,045.57, 1,189,537.73 and 480,107.89

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Solution

The fourth proportional to 862,045.57, 1,189,537.73 and 480,107.89 is: 662,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,045.57 : 1,189,537.73 = 480,107.89 : x
  2. Step 2: Convert to fraction form
    862,045.57/1,189,537.73 = 480,107.89/x
  3. Step 3: Cross multiply
    862,045.57x = 1,189,537.73 × 480,107.89
  4. Step 4: Simplify right side
    862,045.57x = 571,106,443,678.00
  5. Step 5: Solve for x
    x = 571,106,443,678.00/862,045.57
  6. Step 6: Final answer
    x = 662,501.46

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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.