Home / 907,446.80-1,361,826.30-507,663.20

Finding the Fourth Proportional to 907,446.80, 1,361,826.30 and 507,663.20

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Solution

The fourth proportional to 907,446.80, 1,361,826.30 and 507,663.20 is: 761,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,446.80 : 1,361,826.30 = 507,663.20 : x
  2. Step 2: Convert to fraction form
    907,446.80/1,361,826.30 = 507,663.20/x
  3. Step 3: Cross multiply
    907,446.80x = 1,361,826.30 × 507,663.20
  4. Step 4: Simplify right side
    907,446.80x = 691,349,097,302.16
  5. Step 5: Solve for x
    x = 691,349,097,302.16/907,446.80
  6. Step 6: Final answer
    x = 761,861.85

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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.