Home / 693,145.35-1,038,267.62-557,476.17

Finding the Fourth Proportional to 693,145.35, 1,038,267.62 and 557,476.17

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Solution

The fourth proportional to 693,145.35, 1,038,267.62 and 557,476.17 is: 835,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,145.35 : 1,038,267.62 = 557,476.17 : x
  2. Step 2: Convert to fraction form
    693,145.35/1,038,267.62 = 557,476.17/x
  3. Step 3: Cross multiply
    693,145.35x = 1,038,267.62 × 557,476.17
  4. Step 4: Simplify right side
    693,145.35x = 578,809,457,482.52
  5. Step 5: Solve for x
    x = 578,809,457,482.52/693,145.35
  6. Step 6: Final answer
    x = 835,047.74

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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.