Home / 779,222.72-1,075,316.88-435,063.92

Finding the Fourth Proportional to 779,222.72, 1,075,316.88 and 435,063.92

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Solution

The fourth proportional to 779,222.72, 1,075,316.88 and 435,063.92 is: 600,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,222.72 : 1,075,316.88 = 435,063.92 : x
  2. Step 2: Convert to fraction form
    779,222.72/1,075,316.88 = 435,063.92/x
  3. Step 3: Cross multiply
    779,222.72x = 1,075,316.88 × 435,063.92
  4. Step 4: Simplify right side
    779,222.72x = 467,831,577,054.97
  5. Step 5: Solve for x
    x = 467,831,577,054.97/779,222.72
  6. Step 6: Final answer
    x = 600,382.36

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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.