Home / 779,652.37-1,075,908.66-435,493.09

Finding the Fourth Proportional to 779,652.37, 1,075,908.66 and 435,493.09

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Solution

The fourth proportional to 779,652.37, 1,075,908.66 and 435,493.09 is: 600,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,652.37 : 1,075,908.66 = 435,493.09 : x
  2. Step 2: Convert to fraction form
    779,652.37/1,075,908.66 = 435,493.09/x
  3. Step 3: Cross multiply
    779,652.37x = 1,075,908.66 × 435,493.09
  4. Step 4: Simplify right side
    779,652.37x = 468,550,786,901.16
  5. Step 5: Solve for x
    x = 468,550,786,901.16/779,652.37
  6. Step 6: Final answer
    x = 600,973.98

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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.