Home / 837,482.95-1,155,717.82-455,509.63

Finding the Fourth Proportional to 837,482.95, 1,155,717.82 and 455,509.63

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Solution

The fourth proportional to 837,482.95, 1,155,717.82 and 455,509.63 is: 628,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,482.95 : 1,155,717.82 = 455,509.63 : x
  2. Step 2: Convert to fraction form
    837,482.95/1,155,717.82 = 455,509.63/x
  3. Step 3: Cross multiply
    837,482.95x = 1,155,717.82 × 455,509.63
  4. Step 4: Simplify right side
    837,482.95x = 526,440,596,572.61
  5. Step 5: Solve for x
    x = 526,440,596,572.61/837,482.95
  6. Step 6: Final answer
    x = 628,598.58

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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.