Home / 651,075.21-975,431.70-480,718.85

Finding the Fourth Proportional to 651,075.21, 975,431.70 and 480,718.85

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Solution

The fourth proportional to 651,075.21, 975,431.70 and 480,718.85 is: 720,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,075.21 : 975,431.70 = 480,718.85 : x
  2. Step 2: Convert to fraction form
    651,075.21/975,431.70 = 480,718.85/x
  3. Step 3: Cross multiply
    651,075.21x = 975,431.70 × 480,718.85
  4. Step 4: Simplify right side
    651,075.21x = 468,908,400,200.39
  5. Step 5: Solve for x
    x = 468,908,400,200.39/651,075.21
  6. Step 6: Final answer
    x = 720,206.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.