Home / 757,675.51-1,136,471.72-458,075.65

Finding the Fourth Proportional to 757,675.51, 1,136,471.72 and 458,075.65

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Solution

The fourth proportional to 757,675.51, 1,136,471.72 and 458,075.65 is: 687,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,675.51 : 1,136,471.72 = 458,075.65 : x
  2. Step 2: Convert to fraction form
    757,675.51/1,136,471.72 = 458,075.65/x
  3. Step 3: Cross multiply
    757,675.51x = 1,136,471.72 × 458,075.65
  4. Step 4: Simplify right side
    757,675.51x = 520,590,020,149.63
  5. Step 5: Solve for x
    x = 520,590,020,149.63/757,675.51
  6. Step 6: Final answer
    x = 687,088.36

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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.