Home / 895,678.36-1,235,980.02-493,270.36

Finding the Fourth Proportional to 895,678.36, 1,235,980.02 and 493,270.36

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Solution

The fourth proportional to 895,678.36, 1,235,980.02 and 493,270.36 is: 680,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,678.36 : 1,235,980.02 = 493,270.36 : x
  2. Step 2: Convert to fraction form
    895,678.36/1,235,980.02 = 493,270.36/x
  3. Step 3: Cross multiply
    895,678.36x = 1,235,980.02 × 493,270.36
  4. Step 4: Simplify right side
    895,678.36x = 609,672,309,418.21
  5. Step 5: Solve for x
    x = 609,672,309,418.21/895,678.36
  6. Step 6: Final answer
    x = 680,682.19

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Double scale
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Similar ratio
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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.