Home / 890,977.61-1,337,130.68-358,503.18

Finding the Fourth Proportional to 890,977.61, 1,337,130.68 and 358,503.18

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Solution

The fourth proportional to 890,977.61, 1,337,130.68 and 358,503.18 is: 538,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,977.61 : 1,337,130.68 = 358,503.18 : x
  2. Step 2: Convert to fraction form
    890,977.61/1,337,130.68 = 358,503.18/x
  3. Step 3: Cross multiply
    890,977.61x = 1,337,130.68 × 358,503.18
  4. Step 4: Simplify right side
    890,977.61x = 479,365,599,063.05
  5. Step 5: Solve for x
    x = 479,365,599,063.05/890,977.61
  6. Step 6: Final answer
    x = 538,022.05

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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.