Home / 688,340.70-1,032,511.05-688,340.70

Finding the Fourth Proportional to 688,340.70, 1,032,511.05 and 688,340.70

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Solution

The fourth proportional to 688,340.70, 1,032,511.05 and 688,340.70 is: 1,032,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,340.70 : 1,032,511.05 = 688,340.70 : x
  2. Step 2: Convert to fraction form
    688,340.70/1,032,511.05 = 688,340.70/x
  3. Step 3: Cross multiply
    688,340.70x = 1,032,511.05 × 688,340.70
  4. Step 4: Simplify right side
    688,340.70x = 710,719,378,914.74
  5. Step 5: Solve for x
    x = 710,719,378,914.74/688,340.70
  6. Step 6: Final answer
    x = 1,032,511.05

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1.5x scale

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.