Home / 630,573.61-870,210.03-344,112.15

Finding the Fourth Proportional to 630,573.61, 870,210.03 and 344,112.15

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Solution

The fourth proportional to 630,573.61, 870,210.03 and 344,112.15 is: 474,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,573.61 : 870,210.03 = 344,112.15 : x
  2. Step 2: Convert to fraction form
    630,573.61/870,210.03 = 344,112.15/x
  3. Step 3: Cross multiply
    630,573.61x = 870,210.03 × 344,112.15
  4. Step 4: Simplify right side
    630,573.61x = 299,449,844,033.64
  5. Step 5: Solve for x
    x = 299,449,844,033.64/630,573.61
  6. Step 6: Final answer
    x = 474,884.83

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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.