Home / 907,008.60-1,360,656.90-308,026.20

Finding the Fourth Proportional to 907,008.60, 1,360,656.90 and 308,026.20

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Solution

The fourth proportional to 907,008.60, 1,360,656.90 and 308,026.20 is: 462,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,008.60 : 1,360,656.90 = 308,026.20 : x
  2. Step 2: Convert to fraction form
    907,008.60/1,360,656.90 = 308,026.20/x
  3. Step 3: Cross multiply
    907,008.60x = 1,360,656.90 × 308,026.20
  4. Step 4: Simplify right side
    907,008.60x = 419,117,974,410.78
  5. Step 5: Solve for x
    x = 419,117,974,410.78/907,008.60
  6. Step 6: Final answer
    x = 462,088.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.