Home / 772,075.88-1,065,529.41-427,995.98

Finding the Fourth Proportional to 772,075.88, 1,065,529.41 and 427,995.98

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Solution

The fourth proportional to 772,075.88, 1,065,529.41 and 427,995.98 is: 590,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,075.88 : 1,065,529.41 = 427,995.98 : x
  2. Step 2: Convert to fraction form
    772,075.88/1,065,529.41 = 427,995.98/x
  3. Step 3: Cross multiply
    772,075.88x = 1,065,529.41 × 427,995.98
  4. Step 4: Simplify right side
    772,075.88x = 456,042,304,051.77
  5. Step 5: Solve for x
    x = 456,042,304,051.77/772,075.88
  6. Step 6: Final answer
    x = 590,670.32

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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.