Home / 779,312.51-1,168,754.31-266,970.09

Finding the Fourth Proportional to 779,312.51, 1,168,754.31 and 266,970.09

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Solution

The fourth proportional to 779,312.51, 1,168,754.31 and 266,970.09 is: 400,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,312.51 : 1,168,754.31 = 266,970.09 : x
  2. Step 2: Convert to fraction form
    779,312.51/1,168,754.31 = 266,970.09/x
  3. Step 3: Cross multiply
    779,312.51x = 1,168,754.31 × 266,970.09
  4. Step 4: Simplify right side
    779,312.51x = 312,022,443,328.59
  5. Step 5: Solve for x
    x = 312,022,443,328.59/779,312.51
  6. Step 6: Final answer
    x = 400,381.67

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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.