Home / 771,652.83-1,064,869.40-427,488.04

Finding the Fourth Proportional to 771,652.83, 1,064,869.40 and 427,488.04

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Solution

The fourth proportional to 771,652.83, 1,064,869.40 and 427,488.04 is: 589,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,652.83 : 1,064,869.40 = 427,488.04 : x
  2. Step 2: Convert to fraction form
    771,652.83/1,064,869.40 = 427,488.04/x
  3. Step 3: Cross multiply
    771,652.83x = 1,064,869.40 × 427,488.04
  4. Step 4: Simplify right side
    771,652.83x = 455,218,931,068.52
  5. Step 5: Solve for x
    x = 455,218,931,068.52/771,652.83
  6. Step 6: Final answer
    x = 589,927.12

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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.