Home / 877,270.56-1,210,689.36-495,157.92

Finding the Fourth Proportional to 877,270.56, 1,210,689.36 and 495,157.92

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Solution

The fourth proportional to 877,270.56, 1,210,689.36 and 495,157.92 is: 683,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,270.56 : 1,210,689.36 = 495,157.92 : x
  2. Step 2: Convert to fraction form
    877,270.56/1,210,689.36 = 495,157.92/x
  3. Step 3: Cross multiply
    877,270.56x = 1,210,689.36 × 495,157.92
  4. Step 4: Simplify right side
    877,270.56x = 599,482,425,263.73
  5. Step 5: Solve for x
    x = 599,482,425,263.73/877,270.56
  6. Step 6: Final answer
    x = 683,349.53

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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.