Home / 473,220.48-653,045.32-258,360.60

Finding the Fourth Proportional to 473,220.48, 653,045.32 and 258,360.60

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Solution

The fourth proportional to 473,220.48, 653,045.32 and 258,360.60 is: 356,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,220.48 : 653,045.32 = 258,360.60 : x
  2. Step 2: Convert to fraction form
    473,220.48/653,045.32 = 258,360.60/x
  3. Step 3: Cross multiply
    473,220.48x = 653,045.32 × 258,360.60
  4. Step 4: Simplify right side
    473,220.48x = 168,721,180,702.39
  5. Step 5: Solve for x
    x = 168,721,180,702.39/473,220.48
  6. Step 6: Final answer
    x = 356,538.21

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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.