Home / 751.24-1,036.36-530.08

Finding the Fourth Proportional to 751.24, 1,036.36 and 530.08

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Solution

The fourth proportional to 751.24, 1,036.36 and 530.08 is: 731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.24 : 1,036.36 = 530.08 : x
  2. Step 2: Convert to fraction form
    751.24/1,036.36 = 530.08/x
  3. Step 3: Cross multiply
    751.24x = 1,036.36 × 530.08
  4. Step 4: Simplify right side
    751.24x = 549,353.71
  5. Step 5: Solve for x
    x = 549,353.71/751.24
  6. Step 6: Final answer
    x = 731.26

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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.