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Finding the Fourth Proportional to 708,591.80, 977,548.02 and 450,330.33

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Solution

The fourth proportional to 708,591.80, 977,548.02 and 450,330.33 is: 621,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,591.80 : 977,548.02 = 450,330.33 : x
  2. Step 2: Convert to fraction form
    708,591.80/977,548.02 = 450,330.33/x
  3. Step 3: Cross multiply
    708,591.80x = 977,548.02 × 450,330.33
  4. Step 4: Simplify right side
    708,591.80x = 440,219,522,437.45
  5. Step 5: Solve for x
    x = 440,219,522,437.45/708,591.80
  6. Step 6: Final answer
    x = 621,259.69

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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.