Home / 759,437.57-1,047,530.07-487,074.06

Finding the Fourth Proportional to 759,437.57, 1,047,530.07 and 487,074.06

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Solution

The fourth proportional to 759,437.57, 1,047,530.07 and 487,074.06 is: 671,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,437.57 : 1,047,530.07 = 487,074.06 : x
  2. Step 2: Convert to fraction form
    759,437.57/1,047,530.07 = 487,074.06/x
  3. Step 3: Cross multiply
    759,437.57x = 1,047,530.07 × 487,074.06
  4. Step 4: Simplify right side
    759,437.57x = 510,224,724,166.98
  5. Step 5: Solve for x
    x = 510,224,724,166.98/759,437.57
  6. Step 6: Final answer
    x = 671,845.51

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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.