Home / 803,779.08-1,108,710.57-476,860.65

Finding the Fourth Proportional to 803,779.08, 1,108,710.57 and 476,860.65

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Solution

The fourth proportional to 803,779.08, 1,108,710.57 and 476,860.65 is: 657,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,779.08 : 1,108,710.57 = 476,860.65 : x
  2. Step 2: Convert to fraction form
    803,779.08/1,108,710.57 = 476,860.65/x
  3. Step 3: Cross multiply
    803,779.08x = 1,108,710.57 × 476,860.65
  4. Step 4: Simplify right side
    803,779.08x = 528,700,443,072.07
  5. Step 5: Solve for x
    x = 528,700,443,072.07/803,779.08
  6. Step 6: Final answer
    x = 657,768.35

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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.