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Finding the Fourth Proportional to 615,661.60, 923,492.40 and 549,306.40

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Solution

The fourth proportional to 615,661.60, 923,492.40 and 549,306.40 is: 823,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,661.60 : 923,492.40 = 549,306.40 : x
  2. Step 2: Convert to fraction form
    615,661.60/923,492.40 = 549,306.40/x
  3. Step 3: Cross multiply
    615,661.60x = 923,492.40 × 549,306.40
  4. Step 4: Simplify right side
    615,661.60x = 507,280,285,671.36
  5. Step 5: Solve for x
    x = 507,280,285,671.36/615,661.60
  6. Step 6: Final answer
    x = 823,959.60

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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.