Home / 917,476.42-1,376,384.04-302,015.17

Finding the Fourth Proportional to 917,476.42, 1,376,384.04 and 302,015.17

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Solution

The fourth proportional to 917,476.42, 1,376,384.04 and 302,015.17 is: 453,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,476.42 : 1,376,384.04 = 302,015.17 : x
  2. Step 2: Convert to fraction form
    917,476.42/1,376,384.04 = 302,015.17/x
  3. Step 3: Cross multiply
    917,476.42x = 1,376,384.04 × 302,015.17
  4. Step 4: Simplify right side
    917,476.42x = 415,688,859,825.89
  5. Step 5: Solve for x
    x = 415,688,859,825.89/917,476.42
  6. Step 6: Final answer
    x = 453,078.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.