Home / 556,949.40-768,587.58-302,298.36

Finding the Fourth Proportional to 556,949.40, 768,587.58 and 302,298.36

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Solution

The fourth proportional to 556,949.40, 768,587.58 and 302,298.36 is: 417,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,949.40 : 768,587.58 = 302,298.36 : x
  2. Step 2: Convert to fraction form
    556,949.40/768,587.58 = 302,298.36/x
  3. Step 3: Cross multiply
    556,949.40x = 768,587.58 × 302,298.36
  4. Step 4: Simplify right side
    556,949.40x = 232,342,764,950.37
  5. Step 5: Solve for x
    x = 232,342,764,950.37/556,949.40
  6. Step 6: Final answer
    x = 417,170.33

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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.