Home / 759,075.20-1,047,109.17-486,840.17

Finding the Fourth Proportional to 759,075.20, 1,047,109.17 and 486,840.17

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Solution

The fourth proportional to 759,075.20, 1,047,109.17 and 486,840.17 is: 671,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,075.20 : 1,047,109.17 = 486,840.17 : x
  2. Step 2: Convert to fraction form
    759,075.20/1,047,109.17 = 486,840.17/x
  3. Step 3: Cross multiply
    759,075.20x = 1,047,109.17 × 486,840.17
  4. Step 4: Simplify right side
    759,075.20x = 509,774,810,774.78
  5. Step 5: Solve for x
    x = 509,774,810,774.78/759,075.20
  6. Step 6: Final answer
    x = 671,573.53

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Double scale
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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.