Home / 961,955.32-1,442,931.36-385,838.32

Finding the Fourth Proportional to 961,955.32, 1,442,931.36 and 385,838.32

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Solution

The fourth proportional to 961,955.32, 1,442,931.36 and 385,838.32 is: 578,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,955.32 : 1,442,931.36 = 385,838.32 : x
  2. Step 2: Convert to fraction form
    961,955.32/1,442,931.36 = 385,838.32/x
  3. Step 3: Cross multiply
    961,955.32x = 1,442,931.36 × 385,838.32
  4. Step 4: Simplify right side
    961,955.32x = 556,738,211,817.72
  5. Step 5: Solve for x
    x = 556,738,211,817.72/961,955.32
  6. Step 6: Final answer
    x = 578,756.83

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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.