Home / 785,113.60-1,178,059.20-448,412.80

Finding the Fourth Proportional to 785,113.60, 1,178,059.20 and 448,412.80

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Solution

The fourth proportional to 785,113.60, 1,178,059.20 and 448,412.80 is: 672,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,113.60 : 1,178,059.20 = 448,412.80 : x
  2. Step 2: Convert to fraction form
    785,113.60/1,178,059.20 = 448,412.80/x
  3. Step 3: Cross multiply
    785,113.60x = 1,178,059.20 × 448,412.80
  4. Step 4: Simplify right side
    785,113.60x = 528,256,824,437.76
  5. Step 5: Solve for x
    x = 528,256,824,437.76/785,113.60
  6. Step 6: Final answer
    x = 672,841.26

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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.