Home / 709,970.95-1,064,762.45-254,477.29

Finding the Fourth Proportional to 709,970.95, 1,064,762.45 and 254,477.29

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Solution

The fourth proportional to 709,970.95, 1,064,762.45 and 254,477.29 is: 381,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,970.95 : 1,064,762.45 = 254,477.29 : x
  2. Step 2: Convert to fraction form
    709,970.95/1,064,762.45 = 254,477.29/x
  3. Step 3: Cross multiply
    709,970.95x = 1,064,762.45 × 254,477.29
  4. Step 4: Simplify right side
    709,970.95x = 270,957,861,062.14
  5. Step 5: Solve for x
    x = 270,957,861,062.14/709,970.95
  6. Step 6: Final answer
    x = 381,646.40

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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.