Home / 770,427.60-1,157,023.80-560,302.80

Finding the Fourth Proportional to 770,427.60, 1,157,023.80 and 560,302.80

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Solution

The fourth proportional to 770,427.60, 1,157,023.80 and 560,302.80 is: 841,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,427.60 : 1,157,023.80 = 560,302.80 : x
  2. Step 2: Convert to fraction form
    770,427.60/1,157,023.80 = 560,302.80/x
  3. Step 3: Cross multiply
    770,427.60x = 1,157,023.80 × 560,302.80
  4. Step 4: Simplify right side
    770,427.60x = 648,283,674,806.64
  5. Step 5: Solve for x
    x = 648,283,674,806.64/770,427.60
  6. Step 6: Final answer
    x = 841,459.57

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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.