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Finding the Fourth Proportional to 615,657.60, 923,486.40 and 549,302.40

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Solution

The fourth proportional to 615,657.60, 923,486.40 and 549,302.40 is: 823,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,657.60 : 923,486.40 = 549,302.40 : x
  2. Step 2: Convert to fraction form
    615,657.60/923,486.40 = 549,302.40/x
  3. Step 3: Cross multiply
    615,657.60x = 923,486.40 × 549,302.40
  4. Step 4: Simplify right side
    615,657.60x = 507,273,295,887.36
  5. Step 5: Solve for x
    x = 507,273,295,887.36/615,657.60
  6. Step 6: Final answer
    x = 823,953.60

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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.