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Finding the Fourth Proportional to 520,030.70, 780,046.05 and 362,437.10

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Solution

The fourth proportional to 520,030.70, 780,046.05 and 362,437.10 is: 543,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,030.70 : 780,046.05 = 362,437.10 : x
  2. Step 2: Convert to fraction form
    520,030.70/780,046.05 = 362,437.10/x
  3. Step 3: Cross multiply
    520,030.70x = 780,046.05 × 362,437.10
  4. Step 4: Simplify right side
    520,030.70x = 282,717,628,228.46
  5. Step 5: Solve for x
    x = 282,717,628,228.46/520,030.70
  6. Step 6: Final answer
    x = 543,655.65

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Similar ratio
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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.