Home / 910,477.62-1,256,459.34-502,579.69

Finding the Fourth Proportional to 910,477.62, 1,256,459.34 and 502,579.69

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Solution

The fourth proportional to 910,477.62, 1,256,459.34 and 502,579.69 is: 693,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,477.62 : 1,256,459.34 = 502,579.69 : x
  2. Step 2: Convert to fraction form
    910,477.62/1,256,459.34 = 502,579.69/x
  3. Step 3: Cross multiply
    910,477.62x = 1,256,459.34 × 502,579.69
  4. Step 4: Simplify right side
    910,477.62x = 631,470,945,594.81
  5. Step 5: Solve for x
    x = 631,470,945,594.81/910,477.62
  6. Step 6: Final answer
    x = 693,560.10

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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.