Home / 671,570.40-1,007,533.80-292,328.40

Finding the Fourth Proportional to 671,570.40, 1,007,533.80 and 292,328.40

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Solution

The fourth proportional to 671,570.40, 1,007,533.80 and 292,328.40 is: 438,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,570.40 : 1,007,533.80 = 292,328.40 : x
  2. Step 2: Convert to fraction form
    671,570.40/1,007,533.80 = 292,328.40/x
  3. Step 3: Cross multiply
    671,570.40x = 1,007,533.80 × 292,328.40
  4. Step 4: Simplify right side
    671,570.40x = 294,530,743,699.92
  5. Step 5: Solve for x
    x = 294,530,743,699.92/671,570.40
  6. Step 6: Final answer
    x = 438,570.17

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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.