Home / 942,173.10-1,300,134.84-512,443.98

Finding the Fourth Proportional to 942,173.10, 1,300,134.84 and 512,443.98

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Solution

The fourth proportional to 942,173.10, 1,300,134.84 and 512,443.98 is: 707,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,173.10 : 1,300,134.84 = 512,443.98 : x
  2. Step 2: Convert to fraction form
    942,173.10/1,300,134.84 = 512,443.98/x
  3. Step 3: Cross multiply
    942,173.10x = 1,300,134.84 × 512,443.98
  4. Step 4: Simplify right side
    942,173.10x = 666,246,271,946.26
  5. Step 5: Solve for x
    x = 666,246,271,946.26/942,173.10
  6. Step 6: Final answer
    x = 707,137.86

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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.