Home / 788,569.70-1,182,854.55-648,601.70

Finding the Fourth Proportional to 788,569.70, 1,182,854.55 and 648,601.70

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Solution

The fourth proportional to 788,569.70, 1,182,854.55 and 648,601.70 is: 972,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,569.70 : 1,182,854.55 = 648,601.70 : x
  2. Step 2: Convert to fraction form
    788,569.70/1,182,854.55 = 648,601.70/x
  3. Step 3: Cross multiply
    788,569.70x = 1,182,854.55 × 648,601.70
  4. Step 4: Simplify right side
    788,569.70x = 767,201,471,982.74
  5. Step 5: Solve for x
    x = 767,201,471,982.74/788,569.70
  6. Step 6: Final answer
    x = 972,902.55

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1.5x scale

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.