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Finding the Fourth Proportional to 688,624.16, 950,282.24 and 382,692.68

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Solution

The fourth proportional to 688,624.16, 950,282.24 and 382,692.68 is: 528,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,624.16 : 950,282.24 = 382,692.68 : x
  2. Step 2: Convert to fraction form
    688,624.16/950,282.24 = 382,692.68/x
  3. Step 3: Cross multiply
    688,624.16x = 950,282.24 × 382,692.68
  4. Step 4: Simplify right side
    688,624.16x = 363,666,057,182.00
  5. Step 5: Solve for x
    x = 363,666,057,182.00/688,624.16
  6. Step 6: Final answer
    x = 528,105.28

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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.