Home / 669,131.35-1,003,698.47-470,341.28

Finding the Fourth Proportional to 669,131.35, 1,003,698.47 and 470,341.28

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Solution

The fourth proportional to 669,131.35, 1,003,698.47 and 470,341.28 is: 705,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131.35 : 1,003,698.47 = 470,341.28 : x
  2. Step 2: Convert to fraction form
    669,131.35/1,003,698.47 = 470,341.28/x
  3. Step 3: Cross multiply
    669,131.35x = 1,003,698.47 × 470,341.28
  4. Step 4: Simplify right side
    669,131.35x = 472,080,826,798.94
  5. Step 5: Solve for x
    x = 472,080,826,798.94/669,131.35
  6. Step 6: Final answer
    x = 705,512.94

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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.