Home / 916,526.40-1,376,020.80-537,835.20

Finding the Fourth Proportional to 916,526.40, 1,376,020.80 and 537,835.20

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Solution

The fourth proportional to 916,526.40, 1,376,020.80 and 537,835.20 is: 807,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,526.40 : 1,376,020.80 = 537,835.20 : x
  2. Step 2: Convert to fraction form
    916,526.40/1,376,020.80 = 537,835.20/x
  3. Step 3: Cross multiply
    916,526.40x = 1,376,020.80 × 537,835.20
  4. Step 4: Simplify right side
    916,526.40x = 740,072,422,172.16
  5. Step 5: Solve for x
    x = 740,072,422,172.16/916,526.40
  6. Step 6: Final answer
    x = 807,475.29

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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.