Home / 672,930.79-1,008,325.23-470,909.40

Finding the Fourth Proportional to 672,930.79, 1,008,325.23 and 470,909.40

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Solution

The fourth proportional to 672,930.79, 1,008,325.23 and 470,909.40 is: 705,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,930.79 : 1,008,325.23 = 470,909.40 : x
  2. Step 2: Convert to fraction form
    672,930.79/1,008,325.23 = 470,909.40/x
  3. Step 3: Cross multiply
    672,930.79x = 1,008,325.23 × 470,909.40
  4. Step 4: Simplify right side
    672,930.79x = 474,829,829,064.16
  5. Step 5: Solve for x
    x = 474,829,829,064.16/672,930.79
  6. Step 6: Final answer
    x = 705,614.66

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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.