Home / 845,245.41-1,267,466.76-490,368.21

Finding the Fourth Proportional to 845,245.41, 1,267,466.76 and 490,368.21

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Solution

The fourth proportional to 845,245.41, 1,267,466.76 and 490,368.21 is: 735,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,245.41 : 1,267,466.76 = 490,368.21 : x
  2. Step 2: Convert to fraction form
    845,245.41/1,267,466.76 = 490,368.21/x
  3. Step 3: Cross multiply
    845,245.41x = 1,267,466.76 × 490,368.21
  4. Step 4: Simplify right side
    845,245.41x = 621,525,406,335.70
  5. Step 5: Solve for x
    x = 621,525,406,335.70/845,245.41
  6. Step 6: Final answer
    x = 735,319.47

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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.