Home / 669,940.52-1,004,345.81-290,575.53

Finding the Fourth Proportional to 669,940.52, 1,004,345.81 and 290,575.53

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Solution

The fourth proportional to 669,940.52, 1,004,345.81 and 290,575.53 is: 435,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,940.52 : 1,004,345.81 = 290,575.53 : x
  2. Step 2: Convert to fraction form
    669,940.52/1,004,345.81 = 290,575.53/x
  3. Step 3: Cross multiply
    669,940.52x = 1,004,345.81 × 290,575.53
  4. Step 4: Simplify right side
    669,940.52x = 291,838,312,038.84
  5. Step 5: Solve for x
    x = 291,838,312,038.84/669,940.52
  6. Step 6: Final answer
    x = 435,618.24

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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.