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Finding the Fourth Proportional to 500,454.76, 748,798.74 and 350,986.80

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Solution

The fourth proportional to 500,454.76, 748,798.74 and 350,986.80 is: 525,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,454.76 : 748,798.74 = 350,986.80 : x
  2. Step 2: Convert to fraction form
    500,454.76/748,798.74 = 350,986.80/x
  3. Step 3: Cross multiply
    500,454.76x = 748,798.74 × 350,986.80
  4. Step 4: Simplify right side
    500,454.76x = 262,818,473,596.63
  5. Step 5: Solve for x
    x = 262,818,473,596.63/500,454.76
  6. Step 6: Final answer
    x = 525,159.30

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1.5x scale

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.