Home / 759,439.08-1,047,532.14-487,075.56

Finding the Fourth Proportional to 759,439.08, 1,047,532.14 and 487,075.56

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Solution

The fourth proportional to 759,439.08, 1,047,532.14 and 487,075.56 is: 671,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,439.08 : 1,047,532.14 = 487,075.56 : x
  2. Step 2: Convert to fraction form
    759,439.08/1,047,532.14 = 487,075.56/x
  3. Step 3: Cross multiply
    759,439.08x = 1,047,532.14 × 487,075.56
  4. Step 4: Simplify right side
    759,439.08x = 510,227,303,708.50
  5. Step 5: Solve for x
    x = 510,227,303,708.50/759,439.08
  6. Step 6: Final answer
    x = 671,847.57

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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.