Home / 917,459.77-1,266,094.54-509,599.58

Finding the Fourth Proportional to 917,459.77, 1,266,094.54 and 509,599.58

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Solution

The fourth proportional to 917,459.77, 1,266,094.54 and 509,599.58 is: 703,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,459.77 : 1,266,094.54 = 509,599.58 : x
  2. Step 2: Convert to fraction form
    917,459.77/1,266,094.54 = 509,599.58/x
  3. Step 3: Cross multiply
    917,459.77x = 1,266,094.54 × 509,599.58
  4. Step 4: Simplify right side
    917,459.77x = 645,201,240,130.82
  5. Step 5: Solve for x
    x = 645,201,240,130.82/917,459.77
  6. Step 6: Final answer
    x = 703,247.45

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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.