Home / 900,230.28-1,242,267.54-492,251.16

Finding the Fourth Proportional to 900,230.28, 1,242,267.54 and 492,251.16

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Solution

The fourth proportional to 900,230.28, 1,242,267.54 and 492,251.16 is: 679,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,230.28 : 1,242,267.54 = 492,251.16 : x
  2. Step 2: Convert to fraction form
    900,230.28/1,242,267.54 = 492,251.16/x
  3. Step 3: Cross multiply
    900,230.28x = 1,242,267.54 × 492,251.16
  4. Step 4: Simplify right side
    900,230.28x = 611,507,637,595.35
  5. Step 5: Solve for x
    x = 611,507,637,595.35/900,230.28
  6. Step 6: Final answer
    x = 679,279.13

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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.