Home / 910,282.40-1,256,185.36-507,873.44

Finding the Fourth Proportional to 910,282.40, 1,256,185.36 and 507,873.44

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Solution

The fourth proportional to 910,282.40, 1,256,185.36 and 507,873.44 is: 700,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,282.40 : 1,256,185.36 = 507,873.44 : x
  2. Step 2: Convert to fraction form
    910,282.40/1,256,185.36 = 507,873.44/x
  3. Step 3: Cross multiply
    910,282.40x = 1,256,185.36 × 507,873.44
  4. Step 4: Simplify right side
    910,282.40x = 637,983,180,060.84
  5. Step 5: Solve for x
    x = 637,983,180,060.84/910,282.40
  6. Step 6: Final answer
    x = 700,862.92

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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.