Home / 910,477.70-1,256,459.46-502,579.80

Finding the Fourth Proportional to 910,477.70, 1,256,459.46 and 502,579.80

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Solution

The fourth proportional to 910,477.70, 1,256,459.46 and 502,579.80 is: 693,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,477.70 : 1,256,459.46 = 502,579.80 : x
  2. Step 2: Convert to fraction form
    910,477.70/1,256,459.46 = 502,579.80/x
  3. Step 3: Cross multiply
    910,477.70x = 1,256,459.46 × 502,579.80
  4. Step 4: Simplify right side
    910,477.70x = 631,471,144,114.91
  5. Step 5: Solve for x
    x = 631,471,144,114.91/910,477.70
  6. Step 6: Final answer
    x = 693,560.26

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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.