Home / 688,093.60-1,032,140.40-530,629.60

Finding the Fourth Proportional to 688,093.60, 1,032,140.40 and 530,629.60

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Solution

The fourth proportional to 688,093.60, 1,032,140.40 and 530,629.60 is: 795,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,093.60 : 1,032,140.40 = 530,629.60 : x
  2. Step 2: Convert to fraction form
    688,093.60/1,032,140.40 = 530,629.60/x
  3. Step 3: Cross multiply
    688,093.60x = 1,032,140.40 × 530,629.60
  4. Step 4: Simplify right side
    688,093.60x = 547,684,247,595.84
  5. Step 5: Solve for x
    x = 547,684,247,595.84/688,093.60
  6. Step 6: Final answer
    x = 795,944.40

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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.