Home / 557,548.02-769,425.60-302,899.40

Finding the Fourth Proportional to 557,548.02, 769,425.60 and 302,899.40

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Solution

The fourth proportional to 557,548.02, 769,425.60 and 302,899.40 is: 418,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,548.02 : 769,425.60 = 302,899.40 : x
  2. Step 2: Convert to fraction form
    557,548.02/769,425.60 = 302,899.40/x
  3. Step 3: Cross multiply
    557,548.02x = 769,425.60 × 302,899.40
  4. Step 4: Simplify right side
    557,548.02x = 233,058,552,584.64
  5. Step 5: Solve for x
    x = 233,058,552,584.64/557,548.02
  6. Step 6: Final answer
    x = 418,006.24

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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.