Home / 985,838.42-1,360,472.56-556,126.94

Finding the Fourth Proportional to 985,838.42, 1,360,472.56 and 556,126.94

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Solution

The fourth proportional to 985,838.42, 1,360,472.56 and 556,126.94 is: 767,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,838.42 : 1,360,472.56 = 556,126.94 : x
  2. Step 2: Convert to fraction form
    985,838.42/1,360,472.56 = 556,126.94/x
  3. Step 3: Cross multiply
    985,838.42x = 1,360,472.56 × 556,126.94
  4. Step 4: Simplify right side
    985,838.42x = 756,595,441,746.77
  5. Step 5: Solve for x
    x = 756,595,441,746.77/985,838.42
  6. Step 6: Final answer
    x = 767,463.94

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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.