Home / 779,170.86-1,075,272.60-430,310.20

Finding the Fourth Proportional to 779,170.86, 1,075,272.60 and 430,310.20

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Solution

The fourth proportional to 779,170.86, 1,075,272.60 and 430,310.20 is: 593,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,170.86 : 1,075,272.60 = 430,310.20 : x
  2. Step 2: Convert to fraction form
    779,170.86/1,075,272.60 = 430,310.20/x
  3. Step 3: Cross multiply
    779,170.86x = 1,075,272.60 × 430,310.20
  4. Step 4: Simplify right side
    779,170.86x = 462,700,767,560.52
  5. Step 5: Solve for x
    x = 462,700,767,560.52/779,170.86
  6. Step 6: Final answer
    x = 593,837.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.