Home / 758,936.64-1,047,443.76-457,124.16

Finding the Fourth Proportional to 758,936.64, 1,047,443.76 and 457,124.16

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Solution

The fourth proportional to 758,936.64, 1,047,443.76 and 457,124.16 is: 630,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,936.64 : 1,047,443.76 = 457,124.16 : x
  2. Step 2: Convert to fraction form
    758,936.64/1,047,443.76 = 457,124.16/x
  3. Step 3: Cross multiply
    758,936.64x = 1,047,443.76 × 457,124.16
  4. Step 4: Simplify right side
    758,936.64x = 478,811,848,937.24
  5. Step 5: Solve for x
    x = 478,811,848,937.24/758,936.64
  6. Step 6: Final answer
    x = 630,898.32

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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.