Home / 856,946.79-1,182,623.90-474,973.88

Finding the Fourth Proportional to 856,946.79, 1,182,623.90 and 474,973.88

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Solution

The fourth proportional to 856,946.79, 1,182,623.90 and 474,973.88 is: 655,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,946.79 : 1,182,623.90 = 474,973.88 : x
  2. Step 2: Convert to fraction form
    856,946.79/1,182,623.90 = 474,973.88/x
  3. Step 3: Cross multiply
    856,946.79x = 1,182,623.90 × 474,973.88
  4. Step 4: Simplify right side
    856,946.79x = 561,715,454,075.74
  5. Step 5: Solve for x
    x = 561,715,454,075.74/856,946.79
  6. Step 6: Final answer
    x = 655,484.64

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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.