Home / 889,553.70-1,227,672.15-507,637.89

Finding the Fourth Proportional to 889,553.70, 1,227,672.15 and 507,637.89

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Solution

The fourth proportional to 889,553.70, 1,227,672.15 and 507,637.89 is: 700,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,553.70 : 1,227,672.15 = 507,637.89 : x
  2. Step 2: Convert to fraction form
    889,553.70/1,227,672.15 = 507,637.89/x
  3. Step 3: Cross multiply
    889,553.70x = 1,227,672.15 × 507,637.89
  4. Step 4: Simplify right side
    889,553.70x = 623,212,899,837.76
  5. Step 5: Solve for x
    x = 623,212,899,837.76/889,553.70
  6. Step 6: Final answer
    x = 700,590.53

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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.