Home / 931,484.16-1,397,235.12-510,530.40

Finding the Fourth Proportional to 931,484.16, 1,397,235.12 and 510,530.40

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Solution

The fourth proportional to 931,484.16, 1,397,235.12 and 510,530.40 is: 765,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,484.16 : 1,397,235.12 = 510,530.40 : x
  2. Step 2: Convert to fraction form
    931,484.16/1,397,235.12 = 510,530.40/x
  3. Step 3: Cross multiply
    931,484.16x = 1,397,235.12 × 510,530.40
  4. Step 4: Simplify right side
    931,484.16x = 713,331,004,707.65
  5. Step 5: Solve for x
    x = 713,331,004,707.65/931,484.16
  6. Step 6: Final answer
    x = 765,800.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.