Home / 904,689.64-1,354,967.60-431,707.16

Finding the Fourth Proportional to 904,689.64, 1,354,967.60 and 431,707.16

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Solution

The fourth proportional to 904,689.64, 1,354,967.60 and 431,707.16 is: 646,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,689.64 : 1,354,967.60 = 431,707.16 : x
  2. Step 2: Convert to fraction form
    904,689.64/1,354,967.60 = 431,707.16/x
  3. Step 3: Cross multiply
    904,689.64x = 1,354,967.60 × 431,707.16
  4. Step 4: Simplify right side
    904,689.64x = 584,949,214,488.02
  5. Step 5: Solve for x
    x = 584,949,214,488.02/904,689.64
  6. Step 6: Final answer
    x = 646,574.46

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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.