Home / 557,357.04-769,158.36-302,713.20

Finding the Fourth Proportional to 557,357.04, 769,158.36 and 302,713.20

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Solution

The fourth proportional to 557,357.04, 769,158.36 and 302,713.20 is: 417,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,357.04 : 769,158.36 = 302,713.20 : x
  2. Step 2: Convert to fraction form
    557,357.04/769,158.36 = 302,713.20/x
  3. Step 3: Cross multiply
    557,357.04x = 769,158.36 × 302,713.20
  4. Step 4: Simplify right side
    557,357.04x = 232,834,388,462.35
  5. Step 5: Solve for x
    x = 232,834,388,462.35/557,357.04
  6. Step 6: Final answer
    x = 417,747.28

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Double scale
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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.