Home / 688,131.02-1,032,196.54-214,856.93

Finding the Fourth Proportional to 688,131.02, 1,032,196.54 and 214,856.93

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Solution

The fourth proportional to 688,131.02, 1,032,196.54 and 214,856.93 is: 322,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,131.02 : 1,032,196.54 = 214,856.93 : x
  2. Step 2: Convert to fraction form
    688,131.02/1,032,196.54 = 214,856.93/x
  3. Step 3: Cross multiply
    688,131.02x = 1,032,196.54 × 214,856.93
  4. Step 4: Simplify right side
    688,131.02x = 221,774,574,580.04
  5. Step 5: Solve for x
    x = 221,774,574,580.04/688,131.02
  6. Step 6: Final answer
    x = 322,285.39

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.