Home / 876,925.20-1,314,950.40-403,075.20

Finding the Fourth Proportional to 876,925.20, 1,314,950.40 and 403,075.20

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Solution

The fourth proportional to 876,925.20, 1,314,950.40 and 403,075.20 is: 604,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,925.20 : 1,314,950.40 = 403,075.20 : x
  2. Step 2: Convert to fraction form
    876,925.20/1,314,950.40 = 403,075.20/x
  3. Step 3: Cross multiply
    876,925.20x = 1,314,950.40 × 403,075.20
  4. Step 4: Simplify right side
    876,925.20x = 530,023,895,470.08
  5. Step 5: Solve for x
    x = 530,023,895,470.08/876,925.20
  6. Step 6: Final answer
    x = 604,411.75

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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.