Home / 563,259.10-777,267.78-321,532.06

Finding the Fourth Proportional to 563,259.10, 777,267.78 and 321,532.06

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Solution

The fourth proportional to 563,259.10, 777,267.78 and 321,532.06 is: 443,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,259.10 : 777,267.78 = 321,532.06 : x
  2. Step 2: Convert to fraction form
    563,259.10/777,267.78 = 321,532.06/x
  3. Step 3: Cross multiply
    563,259.10x = 777,267.78 × 321,532.06
  4. Step 4: Simplify right side
    563,259.10x = 249,916,510,475.03
  5. Step 5: Solve for x
    x = 249,916,510,475.03/563,259.10
  6. Step 6: Final answer
    x = 443,697.24

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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.