Home / 895,075.14-1,342,736.45-287,880.64

Finding the Fourth Proportional to 895,075.14, 1,342,736.45 and 287,880.64

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Solution

The fourth proportional to 895,075.14, 1,342,736.45 and 287,880.64 is: 431,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,075.14 : 1,342,736.45 = 287,880.64 : x
  2. Step 2: Convert to fraction form
    895,075.14/1,342,736.45 = 287,880.64/x
  3. Step 3: Cross multiply
    895,075.14x = 1,342,736.45 × 287,880.64
  4. Step 4: Simplify right side
    895,075.14x = 386,547,823,781.08
  5. Step 5: Solve for x
    x = 386,547,823,781.08/895,075.14
  6. Step 6: Final answer
    x = 431,860.75

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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.