Home / 863,852.90-1,295,779.92-358,278.13

Finding the Fourth Proportional to 863,852.90, 1,295,779.92 and 358,278.13

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Solution

The fourth proportional to 863,852.90, 1,295,779.92 and 358,278.13 is: 537,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,852.90 : 1,295,779.92 = 358,278.13 : x
  2. Step 2: Convert to fraction form
    863,852.90/1,295,779.92 = 358,278.13/x
  3. Step 3: Cross multiply
    863,852.90x = 1,295,779.92 × 358,278.13
  4. Step 4: Simplify right side
    863,852.90x = 464,249,603,389.70
  5. Step 5: Solve for x
    x = 464,249,603,389.70/863,852.90
  6. Step 6: Final answer
    x = 537,417.43

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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.