Home / 758,924.64-1,047,427.20-457,112.16

Finding the Fourth Proportional to 758,924.64, 1,047,427.20 and 457,112.16

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Solution

The fourth proportional to 758,924.64, 1,047,427.20 and 457,112.16 is: 630,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,924.64 : 1,047,427.20 = 457,112.16 : x
  2. Step 2: Convert to fraction form
    758,924.64/1,047,427.20 = 457,112.16/x
  3. Step 3: Cross multiply
    758,924.64x = 1,047,427.20 × 457,112.16
  4. Step 4: Simplify right side
    758,924.64x = 478,791,709,834.75
  5. Step 5: Solve for x
    x = 478,791,709,834.75/758,924.64
  6. Step 6: Final answer
    x = 630,881.76

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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.