Home / 940,642.16-1,298,096.70-553,543.16

Finding the Fourth Proportional to 940,642.16, 1,298,096.70 and 553,543.16

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Solution

The fourth proportional to 940,642.16, 1,298,096.70 and 553,543.16 is: 763,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,642.16 : 1,298,096.70 = 553,543.16 : x
  2. Step 2: Convert to fraction form
    940,642.16/1,298,096.70 = 553,543.16/x
  3. Step 3: Cross multiply
    940,642.16x = 1,298,096.70 × 553,543.16
  4. Step 4: Simplify right side
    940,642.16x = 718,552,549,303.57
  5. Step 5: Solve for x
    x = 718,552,549,303.57/940,642.16
  6. Step 6: Final answer
    x = 763,895.75

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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.