Home / 740,008.58-1,021,409.19-417,907.22

Finding the Fourth Proportional to 740,008.58, 1,021,409.19 and 417,907.22

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Solution

The fourth proportional to 740,008.58, 1,021,409.19 and 417,907.22 is: 576,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,008.58 : 1,021,409.19 = 417,907.22 : x
  2. Step 2: Convert to fraction form
    740,008.58/1,021,409.19 = 417,907.22/x
  3. Step 3: Cross multiply
    740,008.58x = 1,021,409.19 × 417,907.22
  4. Step 4: Simplify right side
    740,008.58x = 426,854,275,075.35
  5. Step 5: Solve for x
    x = 426,854,275,075.35/740,008.58
  6. Step 6: Final answer
    x = 576,823.41

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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.