Home / 890,663.75-1,229,247.30-564,006.58

Finding the Fourth Proportional to 890,663.75, 1,229,247.30 and 564,006.58

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Solution

The fourth proportional to 890,663.75, 1,229,247.30 and 564,006.58 is: 778,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,663.75 : 1,229,247.30 = 564,006.58 : x
  2. Step 2: Convert to fraction form
    890,663.75/1,229,247.30 = 564,006.58/x
  3. Step 3: Cross multiply
    890,663.75x = 1,229,247.30 × 564,006.58
  4. Step 4: Simplify right side
    890,663.75x = 693,303,565,647.23
  5. Step 5: Solve for x
    x = 693,303,565,647.23/890,663.75
  6. Step 6: Final answer
    x = 778,412.24

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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.