Home / 876,415.50-1,209,453.48-474,007.50

Finding the Fourth Proportional to 876,415.50, 1,209,453.48 and 474,007.50

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Solution

The fourth proportional to 876,415.50, 1,209,453.48 and 474,007.50 is: 654,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,415.50 : 1,209,453.48 = 474,007.50 : x
  2. Step 2: Convert to fraction form
    876,415.50/1,209,453.48 = 474,007.50/x
  3. Step 3: Cross multiply
    876,415.50x = 1,209,453.48 × 474,007.50
  4. Step 4: Simplify right side
    876,415.50x = 573,290,020,421.10
  5. Step 5: Solve for x
    x = 573,290,020,421.10/876,415.50
  6. Step 6: Final answer
    x = 654,130.40

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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.