Home / 876,421.04-1,315,094.41-621,898.27

Finding the Fourth Proportional to 876,421.04, 1,315,094.41 and 621,898.27

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Solution

The fourth proportional to 876,421.04, 1,315,094.41 and 621,898.27 is: 933,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,421.04 : 1,315,094.41 = 621,898.27 : x
  2. Step 2: Convert to fraction form
    876,421.04/1,315,094.41 = 621,898.27/x
  3. Step 3: Cross multiply
    876,421.04x = 1,315,094.41 × 621,898.27
  4. Step 4: Simplify right side
    876,421.04x = 817,854,935,955.31
  5. Step 5: Solve for x
    x = 817,854,935,955.31/876,421.04
  6. Step 6: Final answer
    x = 933,175.84

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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.