Home / 785,601.04-1,178,918.32-430,864.16

Finding the Fourth Proportional to 785,601.04, 1,178,918.32 and 430,864.16

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Solution

The fourth proportional to 785,601.04, 1,178,918.32 and 430,864.16 is: 646,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,601.04 : 1,178,918.32 = 430,864.16 : x
  2. Step 2: Convert to fraction form
    785,601.04/1,178,918.32 = 430,864.16/x
  3. Step 3: Cross multiply
    785,601.04x = 1,178,918.32 × 430,864.16
  4. Step 4: Simplify right side
    785,601.04x = 507,953,651,655.41
  5. Step 5: Solve for x
    x = 507,953,651,655.41/785,601.04
  6. Step 6: Final answer
    x = 646,579.66

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1.5x scale

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.