Home / 669,130.84-1,003,697.70-470,340.76

Finding the Fourth Proportional to 669,130.84, 1,003,697.70 and 470,340.76

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Solution

The fourth proportional to 669,130.84, 1,003,697.70 and 470,340.76 is: 705,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,130.84 : 1,003,697.70 = 470,340.76 : x
  2. Step 2: Convert to fraction form
    669,130.84/1,003,697.70 = 470,340.76/x
  3. Step 3: Cross multiply
    669,130.84x = 1,003,697.70 × 470,340.76
  4. Step 4: Simplify right side
    669,130.84x = 472,079,939,028.25
  5. Step 5: Solve for x
    x = 472,079,939,028.25/669,130.84
  6. Step 6: Final answer
    x = 705,512.15

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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.