Home / 759,442.07-1,047,536.28-487,078.56

Finding the Fourth Proportional to 759,442.07, 1,047,536.28 and 487,078.56

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Solution

The fourth proportional to 759,442.07, 1,047,536.28 and 487,078.56 is: 671,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,442.07 : 1,047,536.28 = 487,078.56 : x
  2. Step 2: Convert to fraction form
    759,442.07/1,047,536.28 = 487,078.56/x
  3. Step 3: Cross multiply
    759,442.07x = 1,047,536.28 × 487,078.56
  4. Step 4: Simplify right side
    759,442.07x = 510,232,462,810.16
  5. Step 5: Solve for x
    x = 510,232,462,810.16/759,442.07
  6. Step 6: Final answer
    x = 671,851.72

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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.