Home / 884,384.57-1,220,494.02-497,321.87

Finding the Fourth Proportional to 884,384.57, 1,220,494.02 and 497,321.87

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Solution

The fourth proportional to 884,384.57, 1,220,494.02 and 497,321.87 is: 686,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,384.57 : 1,220,494.02 = 497,321.87 : x
  2. Step 2: Convert to fraction form
    884,384.57/1,220,494.02 = 497,321.87/x
  3. Step 3: Cross multiply
    884,384.57x = 1,220,494.02 × 497,321.87
  4. Step 4: Simplify right side
    884,384.57x = 606,978,362,247.75
  5. Step 5: Solve for x
    x = 606,978,362,247.75/884,384.57
  6. Step 6: Final answer
    x = 686,328.53

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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.