Home / 872,427.60-1,203,952.08-490,457.52

Finding the Fourth Proportional to 872,427.60, 1,203,952.08 and 490,457.52

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Solution

The fourth proportional to 872,427.60, 1,203,952.08 and 490,457.52 is: 676,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,427.60 : 1,203,952.08 = 490,457.52 : x
  2. Step 2: Convert to fraction form
    872,427.60/1,203,952.08 = 490,457.52/x
  3. Step 3: Cross multiply
    872,427.60x = 1,203,952.08 × 490,457.52
  4. Step 4: Simplify right side
    872,427.60x = 590,487,351,355.64
  5. Step 5: Solve for x
    x = 590,487,351,355.64/872,427.60
  6. Step 6: Final answer
    x = 676,832.50

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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.