Home / 672,926.79-1,008,319.23-470,905.40

Finding the Fourth Proportional to 672,926.79, 1,008,319.23 and 470,905.40

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Solution

The fourth proportional to 672,926.79, 1,008,319.23 and 470,905.40 is: 705,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,926.79 : 1,008,319.23 = 470,905.40 : x
  2. Step 2: Convert to fraction form
    672,926.79/1,008,319.23 = 470,905.40/x
  3. Step 3: Cross multiply
    672,926.79x = 1,008,319.23 × 470,905.40
  4. Step 4: Simplify right side
    672,926.79x = 474,822,965,289.25
  5. Step 5: Solve for x
    x = 474,822,965,289.25/672,926.79
  6. Step 6: Final answer
    x = 705,608.65

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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.