Home / 669,499.70-1,005,233.70-470,701.40

Finding the Fourth Proportional to 669,499.70, 1,005,233.70 and 470,701.40

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Solution

The fourth proportional to 669,499.70, 1,005,233.70 and 470,701.40 is: 706,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,499.70 : 1,005,233.70 = 470,701.40 : x
  2. Step 2: Convert to fraction form
    669,499.70/1,005,233.70 = 470,701.40/x
  3. Step 3: Cross multiply
    669,499.70x = 1,005,233.70 × 470,701.40
  4. Step 4: Simplify right side
    669,499.70x = 473,164,909,917.18
  5. Step 5: Solve for x
    x = 473,164,909,917.18/669,499.70
  6. Step 6: Final answer
    x = 706,744.02

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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.