Home / 942,730.79-1,300,995.63-513,038.15

Finding the Fourth Proportional to 942,730.79, 1,300,995.63 and 513,038.15

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Solution

The fourth proportional to 942,730.79, 1,300,995.63 and 513,038.15 is: 708,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,730.79 : 1,300,995.63 = 513,038.15 : x
  2. Step 2: Convert to fraction form
    942,730.79/1,300,995.63 = 513,038.15/x
  3. Step 3: Cross multiply
    942,730.79x = 1,300,995.63 × 513,038.15
  4. Step 4: Simplify right side
    942,730.79x = 667,460,391,173.28
  5. Step 5: Solve for x
    x = 667,460,391,173.28/942,730.79
  6. Step 6: Final answer
    x = 708,007.42

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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.