Home / 669,127.85-1,003,693.20-470,337.76

Finding the Fourth Proportional to 669,127.85, 1,003,693.20 and 470,337.76

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Solution

The fourth proportional to 669,127.85, 1,003,693.20 and 470,337.76 is: 705,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,127.85 : 1,003,693.20 = 470,337.76 : x
  2. Step 2: Convert to fraction form
    669,127.85/1,003,693.20 = 470,337.76/x
  3. Step 3: Cross multiply
    669,127.85x = 1,003,693.20 × 470,337.76
  4. Step 4: Simplify right side
    669,127.85x = 472,074,811,415.23
  5. Step 5: Solve for x
    x = 472,074,811,415.23/669,127.85
  6. Step 6: Final answer
    x = 705,507.64

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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.