Home / 942,730.80-1,300,995.63-513,038.15

Finding the Fourth Proportional to 942,730.80, 1,300,995.63 and 513,038.15

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Solution

The fourth proportional to 942,730.80, 1,300,995.63 and 513,038.15 is: 708,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,730.80 : 1,300,995.63 = 513,038.15 : x
  2. Step 2: Convert to fraction form
    942,730.80/1,300,995.63 = 513,038.15/x
  3. Step 3: Cross multiply
    942,730.80x = 1,300,995.63 × 513,038.15
  4. Step 4: Simplify right side
    942,730.80x = 667,460,384,668.31
  5. Step 5: Solve for x
    x = 667,460,384,668.31/942,730.80
  6. Step 6: Final answer
    x = 708,007.40

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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.