Home / 780,044.60-1,170,066.90-496,609.40

Finding the Fourth Proportional to 780,044.60, 1,170,066.90 and 496,609.40

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Solution

The fourth proportional to 780,044.60, 1,170,066.90 and 496,609.40 is: 744,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,044.60 : 1,170,066.90 = 496,609.40 : x
  2. Step 2: Convert to fraction form
    780,044.60/1,170,066.90 = 496,609.40/x
  3. Step 3: Cross multiply
    780,044.60x = 1,170,066.90 × 496,609.40
  4. Step 4: Simplify right side
    780,044.60x = 581,066,221,168.86
  5. Step 5: Solve for x
    x = 581,066,221,168.86/780,044.60
  6. Step 6: Final answer
    x = 744,914.10

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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.