Home / 960,041.69-1,439,580.40-320,118.89

Finding the Fourth Proportional to 960,041.69, 1,439,580.40 and 320,118.89

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Solution

The fourth proportional to 960,041.69, 1,439,580.40 and 320,118.89 is: 480,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,041.69 : 1,439,580.40 = 320,118.89 : x
  2. Step 2: Convert to fraction form
    960,041.69/1,439,580.40 = 320,118.89/x
  3. Step 3: Cross multiply
    960,041.69x = 1,439,580.40 × 320,118.89
  4. Step 4: Simplify right side
    960,041.69x = 460,836,879,713.76
  5. Step 5: Solve for x
    x = 460,836,879,713.76/960,041.69
  6. Step 6: Final answer
    x = 480,017.57

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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.