Home / 782,214.80-1,079,456.40-424,518.80

Finding the Fourth Proportional to 782,214.80, 1,079,456.40 and 424,518.80

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Solution

The fourth proportional to 782,214.80, 1,079,456.40 and 424,518.80 is: 585,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,214.80 : 1,079,456.40 = 424,518.80 : x
  2. Step 2: Convert to fraction form
    782,214.80/1,079,456.40 = 424,518.80/x
  3. Step 3: Cross multiply
    782,214.80x = 1,079,456.40 × 424,518.80
  4. Step 4: Simplify right side
    782,214.80x = 458,249,535,580.32
  5. Step 5: Solve for x
    x = 458,249,535,580.32/782,214.80
  6. Step 6: Final answer
    x = 585,835.93

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1.5x scale

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.