Home / 671,312.16-1,007,116.20-292,293.72

Finding the Fourth Proportional to 671,312.16, 1,007,116.20 and 292,293.72

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Solution

The fourth proportional to 671,312.16, 1,007,116.20 and 292,293.72 is: 438,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,312.16 : 1,007,116.20 = 292,293.72 : x
  2. Step 2: Convert to fraction form
    671,312.16/1,007,116.20 = 292,293.72/x
  3. Step 3: Cross multiply
    671,312.16x = 1,007,116.20 × 292,293.72
  4. Step 4: Simplify right side
    671,312.16x = 294,373,740,570.26
  5. Step 5: Solve for x
    x = 294,373,740,570.26/671,312.16
  6. Step 6: Final answer
    x = 438,505.00

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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.