Home / 910,415.83-1,256,500.34-508,033.75

Finding the Fourth Proportional to 910,415.83, 1,256,500.34 and 508,033.75

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Solution

The fourth proportional to 910,415.83, 1,256,500.34 and 508,033.75 is: 701,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,415.83 : 1,256,500.34 = 508,033.75 : x
  2. Step 2: Convert to fraction form
    910,415.83/1,256,500.34 = 508,033.75/x
  3. Step 3: Cross multiply
    910,415.83x = 1,256,500.34 × 508,033.75
  4. Step 4: Simplify right side
    910,415.83x = 638,344,577,066.31
  5. Step 5: Solve for x
    x = 638,344,577,066.31/910,415.83
  6. Step 6: Final answer
    x = 701,157.16

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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.