Home / 942,049.80-1,300,038.26-512,339.40

Finding the Fourth Proportional to 942,049.80, 1,300,038.26 and 512,339.40

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Solution

The fourth proportional to 942,049.80, 1,300,038.26 and 512,339.40 is: 707,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,049.80 : 1,300,038.26 = 512,339.40 : x
  2. Step 2: Convert to fraction form
    942,049.80/1,300,038.26 = 512,339.40/x
  3. Step 3: Cross multiply
    942,049.80x = 1,300,038.26 × 512,339.40
  4. Step 4: Simplify right side
    942,049.80x = 666,060,819,543.75
  5. Step 5: Solve for x
    x = 666,060,819,543.75/942,049.80
  6. Step 6: Final answer
    x = 707,033.56

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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.