Home / 649,176.60-972,015.30-470,717.40

Finding the Fourth Proportional to 649,176.60, 972,015.30 and 470,717.40

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Solution

The fourth proportional to 649,176.60, 972,015.30 and 470,717.40 is: 704,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,176.60 : 972,015.30 = 470,717.40 : x
  2. Step 2: Convert to fraction form
    649,176.60/972,015.30 = 470,717.40/x
  3. Step 3: Cross multiply
    649,176.60x = 972,015.30 × 470,717.40
  4. Step 4: Simplify right side
    649,176.60x = 457,544,514,776.22
  5. Step 5: Solve for x
    x = 457,544,514,776.22/649,176.60
  6. Step 6: Final answer
    x = 704,807.47

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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.