Home / 747,956.40-1,121,905.80-249,320.40

Finding the Fourth Proportional to 747,956.40, 1,121,905.80 and 249,320.40

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Solution

The fourth proportional to 747,956.40, 1,121,905.80 and 249,320.40 is: 373,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,956.40 : 1,121,905.80 = 249,320.40 : x
  2. Step 2: Convert to fraction form
    747,956.40/1,121,905.80 = 249,320.40/x
  3. Step 3: Cross multiply
    747,956.40x = 1,121,905.80 × 249,320.40
  4. Step 4: Simplify right side
    747,956.40x = 279,714,002,818.32
  5. Step 5: Solve for x
    x = 279,714,002,818.32/747,956.40
  6. Step 6: Final answer
    x = 373,971.00

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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.