Home / 899,443.32-1,348,780.95-520,625.58

Finding the Fourth Proportional to 899,443.32, 1,348,780.95 and 520,625.58

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Solution

The fourth proportional to 899,443.32, 1,348,780.95 and 520,625.58 is: 780,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,443.32 : 1,348,780.95 = 520,625.58 : x
  2. Step 2: Convert to fraction form
    899,443.32/1,348,780.95 = 520,625.58/x
  3. Step 3: Cross multiply
    899,443.32x = 1,348,780.95 × 520,625.58
  4. Step 4: Simplify right side
    899,443.32x = 702,209,864,386.70
  5. Step 5: Solve for x
    x = 702,209,864,386.70/899,443.32
  6. Step 6: Final answer
    x = 780,716.08

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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.