Home / 856,303.50-1,282,421.34-555,853.44

Finding the Fourth Proportional to 856,303.50, 1,282,421.34 and 555,853.44

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Solution

The fourth proportional to 856,303.50, 1,282,421.34 and 555,853.44 is: 832,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,303.50 : 1,282,421.34 = 555,853.44 : x
  2. Step 2: Convert to fraction form
    856,303.50/1,282,421.34 = 555,853.44/x
  3. Step 3: Cross multiply
    856,303.50x = 1,282,421.34 × 555,853.44
  4. Step 4: Simplify right side
    856,303.50x = 712,838,313,368.41
  5. Step 5: Solve for x
    x = 712,838,313,368.41/856,303.50
  6. Step 6: Final answer
    x = 832,459.89

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Double scale
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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.