Home / 727,853.04-1,091,779.56-284,310

Finding the Fourth Proportional to 727,853.04, 1,091,779.56 and 284,310

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Solution

The fourth proportional to 727,853.04, 1,091,779.56 and 284,310 is: 426,465

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,853.04 : 1,091,779.56 = 284,310 : x
  2. Step 2: Convert to fraction form
    727,853.04/1,091,779.56 = 284,310/x
  3. Step 3: Cross multiply
    727,853.04x = 1,091,779.56 × 284,310
  4. Step 4: Simplify right side
    727,853.04x = 310,403,846,703.60
  5. Step 5: Solve for x
    x = 310,403,846,703.60/727,853.04
  6. Step 6: Final answer
    x = 426,465

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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.