Home / 876,140.04-1,314,011.88-402,369.96

Finding the Fourth Proportional to 876,140.04, 1,314,011.88 and 402,369.96

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Solution

The fourth proportional to 876,140.04, 1,314,011.88 and 402,369.96 is: 603,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,140.04 : 1,314,011.88 = 402,369.96 : x
  2. Step 2: Convert to fraction form
    876,140.04/1,314,011.88 = 402,369.96/x
  3. Step 3: Cross multiply
    876,140.04x = 1,314,011.88 × 402,369.96
  4. Step 4: Simplify right side
    876,140.04x = 528,718,907,595.13
  5. Step 5: Solve for x
    x = 528,718,907,595.13/876,140.04
  6. Step 6: Final answer
    x = 603,463.93

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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.