Home / 824,492.40-1,234,319.40-615,058.80

Finding the Fourth Proportional to 824,492.40, 1,234,319.40 and 615,058.80

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Solution

The fourth proportional to 824,492.40, 1,234,319.40 and 615,058.80 is: 920,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,492.40 : 1,234,319.40 = 615,058.80 : x
  2. Step 2: Convert to fraction form
    824,492.40/1,234,319.40 = 615,058.80/x
  3. Step 3: Cross multiply
    824,492.40x = 1,234,319.40 × 615,058.80
  4. Step 4: Simplify right side
    824,492.40x = 759,179,008,980.72
  5. Step 5: Solve for x
    x = 759,179,008,980.72/824,492.40
  6. Step 6: Final answer
    x = 920,783.51

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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.