Home / 985,889.64-1,360,590.72-556,012.92

Finding the Fourth Proportional to 985,889.64, 1,360,590.72 and 556,012.92

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Solution

The fourth proportional to 985,889.64, 1,360,590.72 and 556,012.92 is: 767,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,889.64 : 1,360,590.72 = 556,012.92 : x
  2. Step 2: Convert to fraction form
    985,889.64/1,360,590.72 = 556,012.92/x
  3. Step 3: Cross multiply
    985,889.64x = 1,360,590.72 × 556,012.92
  4. Step 4: Simplify right side
    985,889.64x = 756,506,019,152.10
  5. Step 5: Solve for x
    x = 756,506,019,152.10/985,889.64
  6. Step 6: Final answer
    x = 767,333.37

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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.