Home / 579,130.02-867,512.43-298,056.78

Finding the Fourth Proportional to 579,130.02, 867,512.43 and 298,056.78

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Solution

The fourth proportional to 579,130.02, 867,512.43 and 298,056.78 is: 446,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,130.02 : 867,512.43 = 298,056.78 : x
  2. Step 2: Convert to fraction form
    579,130.02/867,512.43 = 298,056.78/x
  3. Step 3: Cross multiply
    579,130.02x = 867,512.43 × 298,056.78
  4. Step 4: Simplify right side
    579,130.02x = 258,567,961,495.78
  5. Step 5: Solve for x
    x = 258,567,961,495.78/579,130.02
  6. Step 6: Final answer
    x = 446,476.53

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Double scale
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1.5x scale

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.