Home / 820,970.32-1,133,009.06-458,464.20

Finding the Fourth Proportional to 820,970.32, 1,133,009.06 and 458,464.20

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Solution

The fourth proportional to 820,970.32, 1,133,009.06 and 458,464.20 is: 632,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,970.32 : 1,133,009.06 = 458,464.20 : x
  2. Step 2: Convert to fraction form
    820,970.32/1,133,009.06 = 458,464.20/x
  3. Step 3: Cross multiply
    820,970.32x = 1,133,009.06 × 458,464.20
  4. Step 4: Simplify right side
    820,970.32x = 519,444,092,285.65
  5. Step 5: Solve for x
    x = 519,444,092,285.65/820,970.32
  6. Step 6: Final answer
    x = 632,719.70

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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.