Home / 899,210.17-1,349,479.56-425,895.54

Finding the Fourth Proportional to 899,210.17, 1,349,479.56 and 425,895.54

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Solution

The fourth proportional to 899,210.17, 1,349,479.56 and 425,895.54 is: 639,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,210.17 : 1,349,479.56 = 425,895.54 : x
  2. Step 2: Convert to fraction form
    899,210.17/1,349,479.56 = 425,895.54/x
  3. Step 3: Cross multiply
    899,210.17x = 1,349,479.56 × 425,895.54
  4. Step 4: Simplify right side
    899,210.17x = 574,737,325,925.16
  5. Step 5: Solve for x
    x = 574,737,325,925.16/899,210.17
  6. Step 6: Final answer
    x = 639,157.95

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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.