Home / 491,206.53-736,779.73-288,914.50

Finding the Fourth Proportional to 491,206.53, 736,779.73 and 288,914.50

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Solution

The fourth proportional to 491,206.53, 736,779.73 and 288,914.50 is: 433,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,206.53 : 736,779.73 = 288,914.50 : x
  2. Step 2: Convert to fraction form
    491,206.53/736,779.73 = 288,914.50/x
  3. Step 3: Cross multiply
    491,206.53x = 736,779.73 × 288,914.50
  4. Step 4: Simplify right side
    491,206.53x = 212,866,347,303.09
  5. Step 5: Solve for x
    x = 212,866,347,303.09/491,206.53
  6. Step 6: Final answer
    x = 433,354.07

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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.