Home / 740,278.98-1,021,522.86-434,323.14

Finding the Fourth Proportional to 740,278.98, 1,021,522.86 and 434,323.14

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Solution

The fourth proportional to 740,278.98, 1,021,522.86 and 434,323.14 is: 599,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,278.98 : 1,021,522.86 = 434,323.14 : x
  2. Step 2: Convert to fraction form
    740,278.98/1,021,522.86 = 434,323.14/x
  3. Step 3: Cross multiply
    740,278.98x = 1,021,522.86 × 434,323.14
  4. Step 4: Simplify right side
    740,278.98x = 443,671,016,136.98
  5. Step 5: Solve for x
    x = 443,671,016,136.98/740,278.98
  6. Step 6: Final answer
    x = 599,329.48

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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.