Home / 802,427.86-1,107,463.74-496,602.76

Finding the Fourth Proportional to 802,427.86, 1,107,463.74 and 496,602.76

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Solution

The fourth proportional to 802,427.86, 1,107,463.74 and 496,602.76 is: 685,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,427.86 : 1,107,463.74 = 496,602.76 : x
  2. Step 2: Convert to fraction form
    802,427.86/1,107,463.74 = 496,602.76/x
  3. Step 3: Cross multiply
    802,427.86x = 1,107,463.74 × 496,602.76
  4. Step 4: Simplify right side
    802,427.86x = 549,969,549,883.92
  5. Step 5: Solve for x
    x = 549,969,549,883.92/802,427.86
  6. Step 6: Final answer
    x = 685,381.92

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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.