Home / 910,258.98-1,256,228.64-502,441.80

Finding the Fourth Proportional to 910,258.98, 1,256,228.64 and 502,441.80

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Solution

The fourth proportional to 910,258.98, 1,256,228.64 and 502,441.80 is: 693,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,258.98 : 1,256,228.64 = 502,441.80 : x
  2. Step 2: Convert to fraction form
    910,258.98/1,256,228.64 = 502,441.80/x
  3. Step 3: Cross multiply
    910,258.98x = 1,256,228.64 × 502,441.80
  4. Step 4: Simplify right side
    910,258.98x = 631,181,779,093.15
  5. Step 5: Solve for x
    x = 631,181,779,093.15/910,258.98
  6. Step 6: Final answer
    x = 693,409.01

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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.