Home / 889,666.20-1,227,827.17-507,750.12

Finding the Fourth Proportional to 889,666.20, 1,227,827.17 and 507,750.12

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Solution

The fourth proportional to 889,666.20, 1,227,827.17 and 507,750.12 is: 700,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,666.20 : 1,227,827.17 = 507,750.12 : x
  2. Step 2: Convert to fraction form
    889,666.20/1,227,827.17 = 507,750.12/x
  3. Step 3: Cross multiply
    889,666.20x = 1,227,827.17 × 507,750.12
  4. Step 4: Simplify right side
    889,666.20x = 623,429,385,498.25
  5. Step 5: Solve for x
    x = 623,429,385,498.25/889,666.20
  6. Step 6: Final answer
    x = 700,745.28

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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.