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Finding the Fourth Proportional to 549,966.80, 823,783.80 and 456,654.80

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Solution

The fourth proportional to 549,966.80, 823,783.80 and 456,654.80 is: 684,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,966.80 : 823,783.80 = 456,654.80 : x
  2. Step 2: Convert to fraction form
    549,966.80/823,783.80 = 456,654.80/x
  3. Step 3: Cross multiply
    549,966.80x = 823,783.80 × 456,654.80
  4. Step 4: Simplify right side
    549,966.80x = 376,184,826,432.24
  5. Step 5: Solve for x
    x = 376,184,826,432.24/549,966.80
  6. Step 6: Final answer
    x = 684,013.70

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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.