Home / 879,264.95-1,213,407.36-492,077.34

Finding the Fourth Proportional to 879,264.95, 1,213,407.36 and 492,077.34

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Solution

The fourth proportional to 879,264.95, 1,213,407.36 and 492,077.34 is: 679,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,264.95 : 1,213,407.36 = 492,077.34 : x
  2. Step 2: Convert to fraction form
    879,264.95/1,213,407.36 = 492,077.34/x
  3. Step 3: Cross multiply
    879,264.95x = 1,213,407.36 × 492,077.34
  4. Step 4: Simplify right side
    879,264.95x = 597,090,266,045.22
  5. Step 5: Solve for x
    x = 597,090,266,045.22/879,264.95
  6. Step 6: Final answer
    x = 679,078.89

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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.