Home / 756,075.80-1,134,113.70-457,477.40

Finding the Fourth Proportional to 756,075.80, 1,134,113.70 and 457,477.40

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Solution

The fourth proportional to 756,075.80, 1,134,113.70 and 457,477.40 is: 686,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,075.80 : 1,134,113.70 = 457,477.40 : x
  2. Step 2: Convert to fraction form
    756,075.80/1,134,113.70 = 457,477.40/x
  3. Step 3: Cross multiply
    756,075.80x = 1,134,113.70 × 457,477.40
  4. Step 4: Simplify right side
    756,075.80x = 518,831,386,780.38
  5. Step 5: Solve for x
    x = 518,831,386,780.38/756,075.80
  6. Step 6: Final answer
    x = 686,216.10

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Similar ratio
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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.