Home / 785,510.10-1,177,166.88-424,902.60

Finding the Fourth Proportional to 785,510.10, 1,177,166.88 and 424,902.60

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Solution

The fourth proportional to 785,510.10, 1,177,166.88 and 424,902.60 is: 636,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,510.10 : 1,177,166.88 = 424,902.60 : x
  2. Step 2: Convert to fraction form
    785,510.10/1,177,166.88 = 424,902.60/x
  3. Step 3: Cross multiply
    785,510.10x = 1,177,166.88 × 424,902.60
  4. Step 4: Simplify right side
    785,510.10x = 500,181,267,945.89
  5. Step 5: Solve for x
    x = 500,181,267,945.89/785,510.10
  6. Step 6: Final answer
    x = 636,759.82

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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.