Home / 942,488.16-1,300,619.36-512,758.46

Finding the Fourth Proportional to 942,488.16, 1,300,619.36 and 512,758.46

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Solution

The fourth proportional to 942,488.16, 1,300,619.36 and 512,758.46 is: 707,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,488.16 : 1,300,619.36 = 512,758.46 : x
  2. Step 2: Convert to fraction form
    942,488.16/1,300,619.36 = 512,758.46/x
  3. Step 3: Cross multiply
    942,488.16x = 1,300,619.36 × 512,758.46
  4. Step 4: Simplify right side
    942,488.16x = 666,903,580,079.79
  5. Step 5: Solve for x
    x = 666,903,580,079.79/942,488.16
  6. Step 6: Final answer
    x = 707,598.89

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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.