Home / 910,168.50-1,256,033.07-507,760.50

Finding the Fourth Proportional to 910,168.50, 1,256,033.07 and 507,760.50

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Solution

The fourth proportional to 910,168.50, 1,256,033.07 and 507,760.50 is: 700,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,168.50 : 1,256,033.07 = 507,760.50 : x
  2. Step 2: Convert to fraction form
    910,168.50/1,256,033.07 = 507,760.50/x
  3. Step 3: Cross multiply
    910,168.50x = 1,256,033.07 × 507,760.50
  4. Step 4: Simplify right side
    910,168.50x = 637,763,979,639.74
  5. Step 5: Solve for x
    x = 637,763,979,639.74/910,168.50
  6. Step 6: Final answer
    x = 700,709.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.