Home / 907,646.40-1,360,839.30-401,931.81

Finding the Fourth Proportional to 907,646.40, 1,360,839.30 and 401,931.81

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Solution

The fourth proportional to 907,646.40, 1,360,839.30 and 401,931.81 is: 602,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,646.40 : 1,360,839.30 = 401,931.81 : x
  2. Step 2: Convert to fraction form
    907,646.40/1,360,839.30 = 401,931.81/x
  3. Step 3: Cross multiply
    907,646.40x = 1,360,839.30 × 401,931.81
  4. Step 4: Simplify right side
    907,646.40x = 546,964,602,968.13
  5. Step 5: Solve for x
    x = 546,964,602,968.13/907,646.40
  6. Step 6: Final answer
    x = 602,618.60

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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.