Home / 757,386.91-1,045,007.08-462,961.23

Finding the Fourth Proportional to 757,386.91, 1,045,007.08 and 462,961.23

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Solution

The fourth proportional to 757,386.91, 1,045,007.08 and 462,961.23 is: 638,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,386.91 : 1,045,007.08 = 462,961.23 : x
  2. Step 2: Convert to fraction form
    757,386.91/1,045,007.08 = 462,961.23/x
  3. Step 3: Cross multiply
    757,386.91x = 1,045,007.08 × 462,961.23
  4. Step 4: Simplify right side
    757,386.91x = 483,797,763,115.51
  5. Step 5: Solve for x
    x = 483,797,763,115.51/757,386.91
  6. Step 6: Final answer
    x = 638,772.28

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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.