Home / 942,998.16-1,301,366.64-513,307.20

Finding the Fourth Proportional to 942,998.16, 1,301,366.64 and 513,307.20

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Solution

The fourth proportional to 942,998.16, 1,301,366.64 and 513,307.20 is: 708,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,998.16 : 1,301,366.64 = 513,307.20 : x
  2. Step 2: Convert to fraction form
    942,998.16/1,301,366.64 = 513,307.20/x
  3. Step 3: Cross multiply
    942,998.16x = 1,301,366.64 × 513,307.20
  4. Step 4: Simplify right side
    942,998.16x = 668,000,866,151.81
  5. Step 5: Solve for x
    x = 668,000,866,151.81/942,998.16
  6. Step 6: Final answer
    x = 708,379.82

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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.