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Finding the Fourth Proportional to 507,818.60, 761,922.30 and 499,848.20

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Solution

The fourth proportional to 507,818.60, 761,922.30 and 499,848.20 is: 749,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,818.60 : 761,922.30 = 499,848.20 : x
  2. Step 2: Convert to fraction form
    507,818.60/761,922.30 = 499,848.20/x
  3. Step 3: Cross multiply
    507,818.60x = 761,922.30 × 499,848.20
  4. Step 4: Simplify right side
    507,818.60x = 380,845,490,194.86
  5. Step 5: Solve for x
    x = 380,845,490,194.86/507,818.60
  6. Step 6: Final answer
    x = 749,963.65

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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.