Home / 837,300.48-1,155,482.40-455,330.88

Finding the Fourth Proportional to 837,300.48, 1,155,482.40 and 455,330.88

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Solution

The fourth proportional to 837,300.48, 1,155,482.40 and 455,330.88 is: 628,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,300.48 : 1,155,482.40 = 455,330.88 : x
  2. Step 2: Convert to fraction form
    837,300.48/1,155,482.40 = 455,330.88/x
  3. Step 3: Cross multiply
    837,300.48x = 1,155,482.40 × 455,330.88
  4. Step 4: Simplify right side
    837,300.48x = 526,126,818,016.51
  5. Step 5: Solve for x
    x = 526,126,818,016.51/837,300.48
  6. Step 6: Final answer
    x = 628,360.82

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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.