Home / 917,368.40-1,376,052.60-385,271.30

Finding the Fourth Proportional to 917,368.40, 1,376,052.60 and 385,271.30

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Solution

The fourth proportional to 917,368.40, 1,376,052.60 and 385,271.30 is: 577,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,368.40 : 1,376,052.60 = 385,271.30 : x
  2. Step 2: Convert to fraction form
    917,368.40/1,376,052.60 = 385,271.30/x
  3. Step 3: Cross multiply
    917,368.40x = 1,376,052.60 × 385,271.30
  4. Step 4: Simplify right side
    917,368.40x = 530,153,574,070.38
  5. Step 5: Solve for x
    x = 530,153,574,070.38/917,368.40
  6. Step 6: Final answer
    x = 577,906.95

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Similar ratio
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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.