Home / 916,779.51-1,265,235.78-534,929.31

Finding the Fourth Proportional to 916,779.51, 1,265,235.78 and 534,929.31

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Solution

The fourth proportional to 916,779.51, 1,265,235.78 and 534,929.31 is: 738,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,779.51 : 1,265,235.78 = 534,929.31 : x
  2. Step 2: Convert to fraction form
    916,779.51/1,265,235.78 = 534,929.31/x
  3. Step 3: Cross multiply
    916,779.51x = 1,265,235.78 × 534,929.31
  4. Step 4: Simplify right side
    916,779.51x = 676,811,695,119.21
  5. Step 5: Solve for x
    x = 676,811,695,119.21/916,779.51
  6. Step 6: Final answer
    x = 738,249.16

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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.