Home / 557,541.64-769,387.62-302,887.72

Finding the Fourth Proportional to 557,541.64, 769,387.62 and 302,887.72

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Solution

The fourth proportional to 557,541.64, 769,387.62 and 302,887.72 is: 417,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,541.64 : 769,387.62 = 302,887.72 : x
  2. Step 2: Convert to fraction form
    557,541.64/769,387.62 = 302,887.72/x
  3. Step 3: Cross multiply
    557,541.64x = 769,387.62 × 302,887.72
  4. Step 4: Simplify right side
    557,541.64x = 233,038,062,018.03
  5. Step 5: Solve for x
    x = 233,038,062,018.03/557,541.64
  6. Step 6: Final answer
    x = 417,974.27

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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.