Home / 761,923.12-1,051,560.80-471,627.76

Finding the Fourth Proportional to 761,923.12, 1,051,560.80 and 471,627.76

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Solution

The fourth proportional to 761,923.12, 1,051,560.80 and 471,627.76 is: 650,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,923.12 : 1,051,560.80 = 471,627.76 : x
  2. Step 2: Convert to fraction form
    761,923.12/1,051,560.80 = 471,627.76/x
  3. Step 3: Cross multiply
    761,923.12x = 1,051,560.80 × 471,627.76
  4. Step 4: Simplify right side
    761,923.12x = 495,945,264,607.81
  5. Step 5: Solve for x
    x = 495,945,264,607.81/761,923.12
  6. Step 6: Final answer
    x = 650,912.48

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Double scale
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1.5x scale

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.