Home / 779,814-1,075,531.80-507,967.52

Finding the Fourth Proportional to 779,814, 1,075,531.80 and 507,967.52

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Solution

The fourth proportional to 779,814, 1,075,531.80 and 507,967.52 is: 700,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,814 : 1,075,531.80 = 507,967.52 : x
  2. Step 2: Convert to fraction form
    779,814/1,075,531.80 = 507,967.52/x
  3. Step 3: Cross multiply
    779,814x = 1,075,531.80 × 507,967.52
  4. Step 4: Simplify right side
    779,814x = 546,335,221,127.14
  5. Step 5: Solve for x
    x = 546,335,221,127.14/779,814
  6. Step 6: Final answer
    x = 700,596.84

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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.