Home / 879,279.74-1,213,533.48-506,670.18

Finding the Fourth Proportional to 879,279.74, 1,213,533.48 and 506,670.18

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Solution

The fourth proportional to 879,279.74, 1,213,533.48 and 506,670.18 is: 699,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,279.74 : 1,213,533.48 = 506,670.18 : x
  2. Step 2: Convert to fraction form
    879,279.74/1,213,533.48 = 506,670.18/x
  3. Step 3: Cross multiply
    879,279.74x = 1,213,533.48 × 506,670.18
  4. Step 4: Simplify right side
    879,279.74x = 614,861,220,679.96
  5. Step 5: Solve for x
    x = 614,861,220,679.96/879,279.74
  6. Step 6: Final answer
    x = 699,278.27

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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.