Home / 753,484.02-1,039,819.26-409,326.72

Finding the Fourth Proportional to 753,484.02, 1,039,819.26 and 409,326.72

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Solution

The fourth proportional to 753,484.02, 1,039,819.26 and 409,326.72 is: 564,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,484.02 : 1,039,819.26 = 409,326.72 : x
  2. Step 2: Convert to fraction form
    753,484.02/1,039,819.26 = 409,326.72/x
  3. Step 3: Cross multiply
    753,484.02x = 1,039,819.26 × 409,326.72
  4. Step 4: Simplify right side
    753,484.02x = 425,625,807,088.63
  5. Step 5: Solve for x
    x = 425,625,807,088.63/753,484.02
  6. Step 6: Final answer
    x = 564,877.02

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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.