Home / 830,670.81-1,146,326.18-448,697.60

Finding the Fourth Proportional to 830,670.81, 1,146,326.18 and 448,697.60

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Solution

The fourth proportional to 830,670.81, 1,146,326.18 and 448,697.60 is: 619,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,670.81 : 1,146,326.18 = 448,697.60 : x
  2. Step 2: Convert to fraction form
    830,670.81/1,146,326.18 = 448,697.60/x
  3. Step 3: Cross multiply
    830,670.81x = 1,146,326.18 × 448,697.60
  4. Step 4: Simplify right side
    830,670.81x = 514,353,805,783.17
  5. Step 5: Solve for x
    x = 514,353,805,783.17/830,670.81
  6. Step 6: Final answer
    x = 619,202.94

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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.