Home / 965,913.80-1,448,870.70-256,051.40

Finding the Fourth Proportional to 965,913.80, 1,448,870.70 and 256,051.40

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Solution

The fourth proportional to 965,913.80, 1,448,870.70 and 256,051.40 is: 384,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,913.80 : 1,448,870.70 = 256,051.40 : x
  2. Step 2: Convert to fraction form
    965,913.80/1,448,870.70 = 256,051.40/x
  3. Step 3: Cross multiply
    965,913.80x = 1,448,870.70 × 256,051.40
  4. Step 4: Simplify right side
    965,913.80x = 370,985,371,153.98
  5. Step 5: Solve for x
    x = 370,985,371,153.98/965,913.80
  6. Step 6: Final answer
    x = 384,077.10

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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.