Home / 761,844.49-1,051,339.57-417,676.30

Finding the Fourth Proportional to 761,844.49, 1,051,339.57 and 417,676.30

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Solution

The fourth proportional to 761,844.49, 1,051,339.57 and 417,676.30 is: 576,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,844.49 : 1,051,339.57 = 417,676.30 : x
  2. Step 2: Convert to fraction form
    761,844.49/1,051,339.57 = 417,676.30/x
  3. Step 3: Cross multiply
    761,844.49x = 1,051,339.57 × 417,676.30
  4. Step 4: Simplify right side
    761,844.49x = 439,119,617,968.65
  5. Step 5: Solve for x
    x = 439,119,617,968.65/761,844.49
  6. Step 6: Final answer
    x = 576,390.10

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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.