Home / 909,756.48-1,363,681.44-509,810.88

Finding the Fourth Proportional to 909,756.48, 1,363,681.44 and 509,810.88

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Solution

The fourth proportional to 909,756.48, 1,363,681.44 and 509,810.88 is: 764,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,756.48 : 1,363,681.44 = 509,810.88 : x
  2. Step 2: Convert to fraction form
    909,756.48/1,363,681.44 = 509,810.88/x
  3. Step 3: Cross multiply
    909,756.48x = 1,363,681.44 × 509,810.88
  4. Step 4: Simplify right side
    909,756.48x = 695,219,634,966.07
  5. Step 5: Solve for x
    x = 695,219,634,966.07/909,756.48
  6. Step 6: Final answer
    x = 764,182.12

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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.