Home / 858,357.16-1,184,477.70-476,384.20

Finding the Fourth Proportional to 858,357.16, 1,184,477.70 and 476,384.20

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Solution

The fourth proportional to 858,357.16, 1,184,477.70 and 476,384.20 is: 657,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,357.16 : 1,184,477.70 = 476,384.20 : x
  2. Step 2: Convert to fraction form
    858,357.16/1,184,477.70 = 476,384.20/x
  3. Step 3: Cross multiply
    858,357.16x = 1,184,477.70 × 476,384.20
  4. Step 4: Simplify right side
    858,357.16x = 564,266,461,532.34
  5. Step 5: Solve for x
    x = 564,266,461,532.34/858,357.16
  6. Step 6: Final answer
    x = 657,379.57

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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.