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Finding the Fourth Proportional to 607,777.40, 910,353.90 and 502,801.40

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Solution

The fourth proportional to 607,777.40, 910,353.90 and 502,801.40 is: 753,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,777.40 : 910,353.90 = 502,801.40 : x
  2. Step 2: Convert to fraction form
    607,777.40/910,353.90 = 502,801.40/x
  3. Step 3: Cross multiply
    607,777.40x = 910,353.90 × 502,801.40
  4. Step 4: Simplify right side
    607,777.40x = 457,727,215,415.46
  5. Step 5: Solve for x
    x = 457,727,215,415.46/607,777.40
  6. Step 6: Final answer
    x = 753,116.54

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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.