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Finding the Fourth Proportional to 601,501.60, 830,040.40 and 343,368.30

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Solution

The fourth proportional to 601,501.60, 830,040.40 and 343,368.30 is: 473,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,501.60 : 830,040.40 = 343,368.30 : x
  2. Step 2: Convert to fraction form
    601,501.60/830,040.40 = 343,368.30/x
  3. Step 3: Cross multiply
    601,501.60x = 830,040.40 × 343,368.30
  4. Step 4: Simplify right side
    601,501.60x = 285,009,561,079.32
  5. Step 5: Solve for x
    x = 285,009,561,079.32/601,501.60
  6. Step 6: Final answer
    x = 473,830.10

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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.