Home / 942,396.12-1,300,508.46-512,678.16

Finding the Fourth Proportional to 942,396.12, 1,300,508.46 and 512,678.16

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Solution

The fourth proportional to 942,396.12, 1,300,508.46 and 512,678.16 is: 707,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,396.12 : 1,300,508.46 = 512,678.16 : x
  2. Step 2: Convert to fraction form
    942,396.12/1,300,508.46 = 512,678.16/x
  3. Step 3: Cross multiply
    942,396.12x = 1,300,508.46 × 512,678.16
  4. Step 4: Simplify right side
    942,396.12x = 666,742,284,337.23
  5. Step 5: Solve for x
    x = 666,742,284,337.23/942,396.12
  6. Step 6: Final answer
    x = 707,496.85

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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.