Home / 615,022.40-922,533.60-490,606.40

Finding the Fourth Proportional to 615,022.40, 922,533.60 and 490,606.40

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Solution

The fourth proportional to 615,022.40, 922,533.60 and 490,606.40 is: 735,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,022.40 : 922,533.60 = 490,606.40 : x
  2. Step 2: Convert to fraction form
    615,022.40/922,533.60 = 490,606.40/x
  3. Step 3: Cross multiply
    615,022.40x = 922,533.60 × 490,606.40
  4. Step 4: Simplify right side
    615,022.40x = 452,600,888,375.04
  5. Step 5: Solve for x
    x = 452,600,888,375.04/615,022.40
  6. Step 6: Final answer
    x = 735,909.60

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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.