Home / 910,511.37-1,256,452.02-502,603.20

Finding the Fourth Proportional to 910,511.37, 1,256,452.02 and 502,603.20

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Solution

The fourth proportional to 910,511.37, 1,256,452.02 and 502,603.20 is: 693,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,511.37 : 1,256,452.02 = 502,603.20 : x
  2. Step 2: Convert to fraction form
    910,511.37/1,256,452.02 = 502,603.20/x
  3. Step 3: Cross multiply
    910,511.37x = 1,256,452.02 × 502,603.20
  4. Step 4: Simplify right side
    910,511.37x = 631,496,805,898.46
  5. Step 5: Solve for x
    x = 631,496,805,898.46/910,511.37
  6. Step 6: Final answer
    x = 693,562.79

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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.