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Finding the Fourth Proportional to 542,430.58, 749,166.94 and 370,052.50

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Solution

The fourth proportional to 542,430.58, 749,166.94 and 370,052.50 is: 511,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,430.58 : 749,166.94 = 370,052.50 : x
  2. Step 2: Convert to fraction form
    542,430.58/749,166.94 = 370,052.50/x
  3. Step 3: Cross multiply
    542,430.58x = 749,166.94 × 370,052.50
  4. Step 4: Simplify right side
    542,430.58x = 277,231,099,064.35
  5. Step 5: Solve for x
    x = 277,231,099,064.35/542,430.58
  6. Step 6: Final answer
    x = 511,090.47

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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.