Home / 829,856.08-1,145,216.10-490,323.52

Finding the Fourth Proportional to 829,856.08, 1,145,216.10 and 490,323.52

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Solution

The fourth proportional to 829,856.08, 1,145,216.10 and 490,323.52 is: 676,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,856.08 : 1,145,216.10 = 490,323.52 : x
  2. Step 2: Convert to fraction form
    829,856.08/1,145,216.10 = 490,323.52/x
  3. Step 3: Cross multiply
    829,856.08x = 1,145,216.10 × 490,323.52
  4. Step 4: Simplify right side
    829,856.08x = 561,526,389,312.67
  5. Step 5: Solve for x
    x = 561,526,389,312.67/829,856.08
  6. Step 6: Final answer
    x = 676,655.15

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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.