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Finding the Fourth Proportional to 556,859.65, 768,466.71 and 302,210.84

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Solution

The fourth proportional to 556,859.65, 768,466.71 and 302,210.84 is: 417,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,859.65 : 768,466.71 = 302,210.84 : x
  2. Step 2: Convert to fraction form
    556,859.65/768,466.71 = 302,210.84/x
  3. Step 3: Cross multiply
    556,859.65x = 768,466.71 × 302,210.84
  4. Step 4: Simplify right side
    556,859.65x = 232,238,969,941.14
  5. Step 5: Solve for x
    x = 232,238,969,941.14/556,859.65
  6. Step 6: Final answer
    x = 417,051.17

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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.